16687060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4937}}^1$

素因数の和:4972

約数の個数: 36

約数和(自身を含む): 37953468

約数和(自身を除く): 21266408

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4937, 9874, 19748, 24685, 49370, 64181, 98740, 128362, 256724, 320905, 641810, 834353, 1283620, 1668706, 3337412, 4171765, 8343530, 16687060]

約数ペア:

[(1, 16687060), (2, 8343530), (4, 4171765), (5, 3337412), (10, 1668706), (13, 1283620), (20, 834353), (26, 641810), (52, 320905), (65, 256724), (130, 128362), (169, 98740), (260, 64181), (338, 49370), (676, 24685), (845, 19748), (1690, 9874), (3380, 4937)]