20675617340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1127351}}^1$

素因数の和:1127498

約数の個数: 48

約数和(自身を含む): 50000315904

約数和(自身を除く): 29324698564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 1127351, 2254702, 4509404, 5636755, 7891457, 11273510, 15782914, 22547020, 31565828, 39457285, 78914570, 147682981, 157829140, 295365962, 590731924, 738414905, 1033780867, 1476829810, 2067561734, 2953659620, 4135123468, 5168904335, 10337808670, 20675617340]

約数ペア:

[(1, 20675617340), (2, 10337808670), (4, 5168904335), (5, 4135123468), (7, 2953659620), (10, 2067561734), (14, 1476829810), (20, 1033780867), (28, 738414905), (35, 590731924), (70, 295365962), (131, 157829140), (140, 147682981), (262, 78914570), (524, 39457285), (655, 31565828), (917, 22547020), (1310, 15782914), (1834, 11273510), (2620, 7891457), (3668, 5636755), (4585, 4509404), (9170, 2254702), (18340, 1127351)]