20237777140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{1697}}^1$

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 50796389952

約数和(自身を除く): 30558612812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 283, 301, 430, 490, 566, 602, 860, 980, 1132, 1204, 1415, 1505, 1697, 1981, 2107, 2830, 3010, 3394, 3962, 4214, 5660, 6020, 6788, 7924, 8428, 8485, 9905, 10535, 11879, 12169, 13867, 16970, 19810, 21070, 23758, 24338, 27734, 33940, 39620, 42140, 47516, 48676, 55468, 59395, 60845, 69335, 72971, 83153, 85183, 118790, 121690, 138670, 145942, 166306, 170366, 237580, 243380, 277340, 291884, 332612, 340732, 364855, 415765, 425915, 480251, 510797, 596281, 729710, 831530, 851830, 960502, 1021594, 1192562, 1459420, 1663060, 1703660, 1921004, 2043188, 2385124, 2401255, 2553985, 2981405, 3361757, 3575579, 4802510, 5107970, 5962810, 6723514, 7151158, 9605020, 10215940, 11925620, 13447028, 14302316, 16808785, 17877895, 20650793, 23532299, 33617570, 35755790, 41301586, 47064598, 67235140, 71511580, 82603172, 94129196, 103253965, 117661495, 144555551, 206507930, 235322990, 289111102, 413015860, 470645980, 578222204, 722777755, 1011888857, 1445555510, 2023777714, 2891111020, 4047555428, 5059444285, 10118888570, 20237777140]

約数ペア:

[(1, 20237777140), (2, 10118888570), (4, 5059444285), (5, 4047555428), (7, 2891111020), (10, 2023777714), (14, 1445555510), (20, 1011888857), (28, 722777755), (35, 578222204), (43, 470645980), (49, 413015860), (70, 289111102), (86, 235322990), (98, 206507930), (140, 144555551), (172, 117661495), (196, 103253965), (215, 94129196), (245, 82603172), (283, 71511580), (301, 67235140), (430, 47064598), (490, 41301586), (566, 35755790), (602, 33617570), (860, 23532299), (980, 20650793), (1132, 17877895), (1204, 16808785), (1415, 14302316), (1505, 13447028), (1697, 11925620), (1981, 10215940), (2107, 9605020), (2830, 7151158), (3010, 6723514), (3394, 5962810), (3962, 5107970), (4214, 4802510), (5660, 3575579), (6020, 3361757), (6788, 2981405), (7924, 2553985), (8428, 2401255), (8485, 2385124), (9905, 2043188), (10535, 1921004), (11879, 1703660), (12169, 1663060), (13867, 1459420), (16970, 1192562), (19810, 1021594), (21070, 960502), (23758, 851830), (24338, 831530), (27734, 729710), (33940, 596281), (39620, 510797), (42140, 480251), (47516, 425915), (48676, 415765), (55468, 364855), (59395, 340732), (60845, 332612), (69335, 291884), (72971, 277340), (83153, 243380), (85183, 237580), (118790, 170366), (121690, 166306), (138670, 145942)]