20121894540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7489}}^1$

素因数の和:7597

約数の個数: 288

約数和(自身を含む): 70667251200

約数和(自身を除く): 50545356660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 59, 60, 66, 69, 90, 92, 99, 110, 115, 118, 132, 138, 165, 177, 180, 198, 207, 220, 230, 236, 253, 276, 295, 330, 345, 354, 396, 414, 460, 495, 506, 531, 590, 649, 660, 690, 708, 759, 828, 885, 990, 1012, 1035, 1062, 1180, 1265, 1298, 1357, 1380, 1518, 1770, 1947, 1980, 2070, 2124, 2277, 2530, 2596, 2655, 2714, 3036, 3245, 3540, 3795, 3894, 4071, 4140, 4554, 5060, 5310, 5428, 5841, 6490, 6785, 7489, 7590, 7788, 8142, 9108, 9735, 10620, 11385, 11682, 12213, 12980, 13570, 14927, 14978, 15180, 16284, 19470, 20355, 22467, 22770, 23364, 24426, 27140, 29205, 29854, 29956, 37445, 38940, 40710, 44781, 44934, 45540, 48852, 58410, 59708, 61065, 67401, 74635, 74890, 81420, 82379, 89562, 89868, 112335, 116820, 122130, 134343, 134802, 149270, 149780, 164758, 172247, 179124, 223905, 224670, 244260, 247137, 268686, 269604, 298540, 329516, 337005, 344494, 411895, 441851, 447810, 449340, 494274, 516741, 537372, 671715, 674010, 688988, 741411, 823790, 861235, 883702, 895620, 988548, 1033482, 1235685, 1325553, 1343430, 1348020, 1482822, 1550223, 1647580, 1722470, 1767404, 1894717, 2066964, 2209255, 2471370, 2583705, 2651106, 2686860, 2965644, 3100446, 3444940, 3707055, 3789434, 3976659, 4418510, 4860361, 4942740, 5167410, 5302212, 5684151, 6200892, 6627765, 7414110, 7578868, 7751115, 7953318, 8837020, 9473585, 9720722, 10162573, 10334820, 11368302, 13255530, 14581083, 14828220, 15502230, 15906636, 17052453, 18947170, 19441444, 19883295, 20325146, 22736604, 24301805, 26511060, 28420755, 29162166, 30487719, 31004460, 34104906, 37894340, 39766590, 40650292, 43743249, 48603610, 50812865, 56841510, 58324332, 60975438, 68209812, 72905415, 79533180, 85262265, 87486498, 91463157, 97207220, 101625730, 111788303, 113683020, 121950876, 145810830, 152438595, 170524530, 174972996, 182926314, 203251460, 218716245, 223576606, 291621660, 304877190, 335364909, 341049060, 365852628, 437432490, 447153212, 457315785, 558941515, 609754380, 670729818, 874864980, 914631570, 1006094727, 1117883030, 1341459636, 1676824545, 1829263140, 2012189454, 2235766060, 3353649090, 4024378908, 5030473635, 6707298180, 10060947270, 20121894540]

約数ペア:

[(1, 20121894540), (2, 10060947270), (3, 6707298180), (4, 5030473635), (5, 4024378908), (6, 3353649090), (9, 2235766060), (10, 2012189454), (11, 1829263140), (12, 1676824545), (15, 1341459636), (18, 1117883030), (20, 1006094727), (22, 914631570), (23, 874864980), (30, 670729818), (33, 609754380), (36, 558941515), (44, 457315785), (45, 447153212), (46, 437432490), (55, 365852628), (59, 341049060), (60, 335364909), (66, 304877190), (69, 291621660), (90, 223576606), (92, 218716245), (99, 203251460), (110, 182926314), (115, 174972996), (118, 170524530), (132, 152438595), (138, 145810830), (165, 121950876), (177, 113683020), (180, 111788303), (198, 101625730), (207, 97207220), (220, 91463157), (230, 87486498), (236, 85262265), (253, 79533180), (276, 72905415), (295, 68209812), (330, 60975438), (345, 58324332), (354, 56841510), (396, 50812865), (414, 48603610), (460, 43743249), (495, 40650292), (506, 39766590), (531, 37894340), (590, 34104906), (649, 31004460), (660, 30487719), (690, 29162166), (708, 28420755), (759, 26511060), (828, 24301805), (885, 22736604), (990, 20325146), (1012, 19883295), (1035, 19441444), (1062, 18947170), (1180, 17052453), (1265, 15906636), (1298, 15502230), (1357, 14828220), (1380, 14581083), (1518, 13255530), (1770, 11368302), (1947, 10334820), (1980, 10162573), (2070, 9720722), (2124, 9473585), (2277, 8837020), (2530, 7953318), (2596, 7751115), (2655, 7578868), (2714, 7414110), (3036, 6627765), (3245, 6200892), (3540, 5684151), (3795, 5302212), (3894, 5167410), (4071, 4942740), (4140, 4860361), (4554, 4418510), (5060, 3976659), (5310, 3789434), (5428, 3707055), (5841, 3444940), (6490, 3100446), (6785, 2965644), (7489, 2686860), (7590, 2651106), (7788, 2583705), (8142, 2471370), (9108, 2209255), (9735, 2066964), (10620, 1894717), (11385, 1767404), (11682, 1722470), (12213, 1647580), (12980, 1550223), (13570, 1482822), (14927, 1348020), (14978, 1343430), (15180, 1325553), (16284, 1235685), (19470, 1033482), (20355, 988548), (22467, 895620), (22770, 883702), (23364, 861235), (24426, 823790), (27140, 741411), (29205, 688988), (29854, 674010), (29956, 671715), (37445, 537372), (38940, 516741), (40710, 494274), (44781, 449340), (44934, 447810), (45540, 441851), (48852, 411895), (58410, 344494), (59708, 337005), (61065, 329516), (67401, 298540), (74635, 269604), (74890, 268686), (81420, 247137), (82379, 244260), (89562, 224670), (89868, 223905), (112335, 179124), (116820, 172247), (122130, 164758), (134343, 149780), (134802, 149270)]