20123661480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{7243}}^1$

素因数の和:7420

約数の個数: 192

約数和(自身を含む): 65858391360

約数和(自身を除く): 45734729880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 137, 156, 169, 195, 260, 274, 312, 338, 390, 411, 507, 520, 548, 676, 685, 780, 822, 845, 1014, 1096, 1352, 1370, 1560, 1644, 1690, 1781, 2028, 2055, 2535, 2740, 3288, 3380, 3562, 4056, 4110, 5070, 5343, 5480, 6760, 7124, 7243, 8220, 8905, 10140, 10686, 14248, 14486, 16440, 17810, 20280, 21372, 21729, 23153, 26715, 28972, 35620, 36215, 42744, 43458, 46306, 53430, 57944, 69459, 71240, 72430, 86916, 92612, 94159, 106860, 108645, 115765, 138918, 144860, 173832, 185224, 188318, 213720, 217290, 231530, 277836, 282477, 289720, 347295, 376636, 434580, 463060, 470795, 555672, 564954, 694590, 753272, 869160, 926120, 941590, 992291, 1129908, 1224067, 1389180, 1412385, 1883180, 1984582, 2259816, 2448134, 2778360, 2824770, 2976873, 3672201, 3766360, 3969164, 4896268, 4961455, 5649540, 5953746, 6120335, 7344402, 7938328, 9792536, 9922910, 11299080, 11907492, 12240670, 12899783, 14688804, 14884365, 18361005, 19845820, 23814984, 24481340, 25799566, 29377608, 29768730, 36722010, 38699349, 39691640, 48962680, 51599132, 59537460, 64498915, 73444020, 77398698, 103198264, 119074920, 128997830, 146888040, 154797396, 167697179, 193496745, 257995660, 309594792, 335394358, 386993490, 503091537, 515991320, 670788716, 773986980, 838485895, 1006183074, 1341577432, 1547973960, 1676971790, 2012366148, 2515457685, 3353943580, 4024732296, 5030915370, 6707887160, 10061830740, 20123661480]

約数ペア:

[(1, 20123661480), (2, 10061830740), (3, 6707887160), (4, 5030915370), (5, 4024732296), (6, 3353943580), (8, 2515457685), (10, 2012366148), (12, 1676971790), (13, 1547973960), (15, 1341577432), (20, 1006183074), (24, 838485895), (26, 773986980), (30, 670788716), (39, 515991320), (40, 503091537), (52, 386993490), (60, 335394358), (65, 309594792), (78, 257995660), (104, 193496745), (120, 167697179), (130, 154797396), (137, 146888040), (156, 128997830), (169, 119074920), (195, 103198264), (260, 77398698), (274, 73444020), (312, 64498915), (338, 59537460), (390, 51599132), (411, 48962680), (507, 39691640), (520, 38699349), (548, 36722010), (676, 29768730), (685, 29377608), (780, 25799566), (822, 24481340), (845, 23814984), (1014, 19845820), (1096, 18361005), (1352, 14884365), (1370, 14688804), (1560, 12899783), (1644, 12240670), (1690, 11907492), (1781, 11299080), (2028, 9922910), (2055, 9792536), (2535, 7938328), (2740, 7344402), (3288, 6120335), (3380, 5953746), (3562, 5649540), (4056, 4961455), (4110, 4896268), (5070, 3969164), (5343, 3766360), (5480, 3672201), (6760, 2976873), (7124, 2824770), (7243, 2778360), (8220, 2448134), (8905, 2259816), (10140, 1984582), (10686, 1883180), (14248, 1412385), (14486, 1389180), (16440, 1224067), (17810, 1129908), (20280, 992291), (21372, 941590), (21729, 926120), (23153, 869160), (26715, 753272), (28972, 694590), (35620, 564954), (36215, 555672), (42744, 470795), (43458, 463060), (46306, 434580), (53430, 376636), (57944, 347295), (69459, 289720), (71240, 282477), (72430, 277836), (86916, 231530), (92612, 217290), (94159, 213720), (106860, 188318), (108645, 185224), (115765, 173832), (138918, 144860)]