20930184080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20125177}}^1$

素因数の和:20125203

約数の個数: 40

約数和(自身を含む): 52405963512

約数和(自身を除く): 31475779432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20125177, 40250354, 80500708, 100625885, 161001416, 201251770, 261627301, 322002832, 402503540, 523254602, 805007080, 1046509204, 1308136505, 1610014160, 2093018408, 2616273010, 4186036816, 5232546020, 10465092040, 20930184080]

約数ペア:

[(1, 20930184080), (2, 10465092040), (4, 5232546020), (5, 4186036816), (8, 2616273010), (10, 2093018408), (13, 1610014160), (16, 1308136505), (20, 1046509204), (26, 805007080), (40, 523254602), (52, 402503540), (65, 322002832), (80, 261627301), (104, 201251770), (130, 161001416), (208, 100625885), (260, 80500708), (520, 40250354), (1040, 20125177)]