20178532316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{769}}^1\times {\mathrm{1279}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 37090099200

約数和(自身を除く): 16911566884

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 769, 892, 1279, 1538, 2558, 3076, 5116, 5129, 10258, 17687, 20516, 29417, 35374, 58834, 70748, 117668, 171487, 285217, 342974, 570434, 685948, 983551, 1140868, 1967102, 3934204, 3944201, 6559991, 7888402, 13119982, 15776804, 22621673, 26239964, 45243346, 90486692, 219331873, 438663746, 877327492, 5044633079, 10089266158, 20178532316]

約数ペア:

[(1, 20178532316), (2, 10089266158), (4, 5044633079), (23, 877327492), (46, 438663746), (92, 219331873), (223, 90486692), (446, 45243346), (769, 26239964), (892, 22621673), (1279, 15776804), (1538, 13119982), (2558, 7888402), (3076, 6559991), (5116, 3944201), (5129, 3934204), (10258, 1967102), (17687, 1140868), (20516, 983551), (29417, 685948), (35374, 570434), (58834, 342974), (70748, 285217), (117668, 171487)]