20426565720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1298

約数の個数: 256

約数和(自身を含む): 68704796160

約数和(自身を除く): 48278230440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 571, 615, 660, 661, 820, 902, 984, 1142, 1230, 1320, 1322, 1353, 1640, 1713, 1804, 1983, 2255, 2284, 2460, 2644, 2706, 2855, 3305, 3426, 3608, 3966, 4510, 4568, 4920, 5288, 5412, 5710, 6281, 6610, 6765, 6852, 7271, 7932, 8565, 9020, 9915, 10824, 11420, 12562, 13220, 13530, 13704, 14542, 15864, 17130, 18040, 18843, 19830, 21813, 22840, 23411, 25124, 26440, 27060, 27101, 29084, 31405, 34260, 36355, 37686, 39660, 43626, 46822, 50248, 54120, 54202, 58168, 62810, 68520, 70233, 72710, 75372, 79320, 81303, 87252, 93644, 94215, 108404, 109065, 117055, 125620, 135505, 140466, 145420, 150744, 162606, 174504, 187288, 188430, 216808, 218130, 234110, 251240, 257521, 271010, 280932, 290840, 298111, 325212, 351165, 376860, 377431, 406515, 436260, 468220, 515042, 542020, 561864, 596222, 650424, 702330, 753720, 754862, 772563, 813030, 872520, 894333, 936440, 1030084, 1084040, 1132293, 1192444, 1287605, 1404660, 1490555, 1509724, 1545126, 1626060, 1788666, 1887155, 2060168, 2264586, 2384888, 2575210, 2809320, 2981110, 3019448, 3090252, 3252120, 3577332, 3774310, 3862815, 4151741, 4471665, 4529172, 5150420, 5661465, 5962220, 6180504, 7154664, 7548620, 7725630, 8303482, 8943330, 9058344, 10300840, 11322930, 11924440, 12455223, 15097240, 15451260, 15474671, 16606964, 17886660, 20758705, 22645860, 24910446, 30902520, 30949342, 33213928, 35773320, 41517410, 45291720, 46424013, 49820892, 61898684, 62276115, 77373355, 83034820, 92848026, 99641784, 123797368, 124552230, 154746710, 166069640, 170221381, 185696052, 232120065, 249104460, 309493420, 340442762, 371392104, 464240130, 498208920, 510664143, 618986840, 680885524, 851106905, 928480260, 1021328286, 1361771048, 1702213810, 1856960520, 2042656572, 2553320715, 3404427620, 4085313144, 5106641430, 6808855240, 10213282860, 20426565720]

約数ペア:

[(1, 20426565720), (2, 10213282860), (3, 6808855240), (4, 5106641430), (5, 4085313144), (6, 3404427620), (8, 2553320715), (10, 2042656572), (11, 1856960520), (12, 1702213810), (15, 1361771048), (20, 1021328286), (22, 928480260), (24, 851106905), (30, 680885524), (33, 618986840), (40, 510664143), (41, 498208920), (44, 464240130), (55, 371392104), (60, 340442762), (66, 309493420), (82, 249104460), (88, 232120065), (110, 185696052), (120, 170221381), (123, 166069640), (132, 154746710), (164, 124552230), (165, 123797368), (205, 99641784), (220, 92848026), (246, 83034820), (264, 77373355), (328, 62276115), (330, 61898684), (410, 49820892), (440, 46424013), (451, 45291720), (492, 41517410), (571, 35773320), (615, 33213928), (660, 30949342), (661, 30902520), (820, 24910446), (902, 22645860), (984, 20758705), (1142, 17886660), (1230, 16606964), (1320, 15474671), (1322, 15451260), (1353, 15097240), (1640, 12455223), (1713, 11924440), (1804, 11322930), (1983, 10300840), (2255, 9058344), (2284, 8943330), (2460, 8303482), (2644, 7725630), (2706, 7548620), (2855, 7154664), (3305, 6180504), (3426, 5962220), (3608, 5661465), (3966, 5150420), (4510, 4529172), (4568, 4471665), (4920, 4151741), (5288, 3862815), (5412, 3774310), (5710, 3577332), (6281, 3252120), (6610, 3090252), (6765, 3019448), (6852, 2981110), (7271, 2809320), (7932, 2575210), (8565, 2384888), (9020, 2264586), (9915, 2060168), (10824, 1887155), (11420, 1788666), (12562, 1626060), (13220, 1545126), (13530, 1509724), (13704, 1490555), (14542, 1404660), (15864, 1287605), (17130, 1192444), (18040, 1132293), (18843, 1084040), (19830, 1030084), (21813, 936440), (22840, 894333), (23411, 872520), (25124, 813030), (26440, 772563), (27060, 754862), (27101, 753720), (29084, 702330), (31405, 650424), (34260, 596222), (36355, 561864), (37686, 542020), (39660, 515042), (43626, 468220), (46822, 436260), (50248, 406515), (54120, 377431), (54202, 376860), (58168, 351165), (62810, 325212), (68520, 298111), (70233, 290840), (72710, 280932), (75372, 271010), (79320, 257521), (81303, 251240), (87252, 234110), (93644, 218130), (94215, 216808), (108404, 188430), (109065, 187288), (117055, 174504), (125620, 162606), (135505, 150744), (140466, 145420)]