20087080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38629}}^1$

素因数の和:38653

約数の個数: 32

約数和(自身を含む): 48673800

約数和(自身を除く): 28586720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38629, 77258, 154516, 193145, 309032, 386290, 502177, 772580, 1004354, 1545160, 2008708, 2510885, 4017416, 5021770, 10043540, 20087080]

約数ペア:

[(1, 20087080), (2, 10043540), (4, 5021770), (5, 4017416), (8, 2510885), (10, 2008708), (13, 1545160), (20, 1004354), (26, 772580), (40, 502177), (52, 386290), (65, 309032), (104, 193145), (130, 154516), (260, 77258), (520, 38629)]