20038642990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{44071}}^1$

素因数の和:45228

約数の個数: 32

約数和(自身を含む): 36983459520

約数和(自身を除く): 16944816530

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1109, 2218, 5545, 11090, 44071, 45469, 88142, 90938, 220355, 227345, 440710, 454690, 1806911, 3613822, 9034555, 18069110, 48874739, 97749478, 244373695, 488747390, 2003864299, 4007728598, 10019321495, 20038642990]

約数ペア:

[(1, 20038642990), (2, 10019321495), (5, 4007728598), (10, 2003864299), (41, 488747390), (82, 244373695), (205, 97749478), (410, 48874739), (1109, 18069110), (2218, 9034555), (5545, 3613822), (11090, 1806911), (44071, 454690), (45469, 440710), (88142, 227345), (90938, 220355)]