20163018850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{307129}}^1$

素因数の和:307255

約数の個数: 48

約数和(自身を含む): 40788092520

約数和(自身を除く): 20625073670

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 505, 650, 1010, 1313, 2525, 2626, 5050, 6565, 13130, 32825, 65650, 307129, 614258, 1535645, 3071290, 3992677, 7678225, 7985354, 15356450, 19963385, 31020029, 39926770, 62040058, 99816925, 155100145, 199633850, 310200290, 403260377, 775500725, 806520754, 1551001450, 2016301885, 4032603770, 10081509425, 20163018850]

約数ペア:

[(1, 20163018850), (2, 10081509425), (5, 4032603770), (10, 2016301885), (13, 1551001450), (25, 806520754), (26, 775500725), (50, 403260377), (65, 310200290), (101, 199633850), (130, 155100145), (202, 99816925), (325, 62040058), (505, 39926770), (650, 31020029), (1010, 19963385), (1313, 15356450), (2525, 7985354), (2626, 7678225), (5050, 3992677), (6565, 3071290), (13130, 1535645), (32825, 614258), (65650, 307129)]