20762008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2129}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 20645192

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2129, 2438, 4258, 4876, 8516, 9752, 17032, 48967, 97934, 112837, 195868, 225674, 391736, 451348, 902696, 2595251, 5190502, 10381004, 20762008]

約数ペア:

[(1, 20762008), (2, 10381004), (4, 5190502), (8, 2595251), (23, 902696), (46, 451348), (53, 391736), (92, 225674), (106, 195868), (184, 112837), (212, 97934), (424, 48967), (1219, 17032), (2129, 9752), (2438, 8516), (4258, 4876)]