20189798536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{5981}}^1\times {\mathrm{24821}}^1$

素因数の和:30825

約数の個数: 32

約数和(自身を含む): 40091005080

約数和(自身を除く): 19901206544

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 5981, 11962, 23924, 24821, 47848, 49642, 99284, 101677, 198568, 203354, 406708, 421957, 813416, 843914, 1687828, 3375656, 148454401, 296908802, 593817604, 1187635208, 2523724817, 5047449634, 10094899268, 20189798536]

約数ペア:

[(1, 20189798536), (2, 10094899268), (4, 5047449634), (8, 2523724817), (17, 1187635208), (34, 593817604), (68, 296908802), (136, 148454401), (5981, 3375656), (11962, 1687828), (23924, 843914), (24821, 813416), (47848, 421957), (49642, 406708), (99284, 203354), (101677, 198568)]