20941802

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 37622784

約数和(自身を除く): 16680982

約数列:

[1, 2, 7, 14, 31, 62, 73, 146, 217, 434, 511, 661, 1022, 1322, 2263, 4526, 4627, 9254, 15841, 20491, 31682, 40982, 48253, 96506, 143437, 286874, 337771, 675542, 1495843, 2991686, 10470901, 20941802]

約数ペア:

[(1, 20941802), (2, 10470901), (7, 2991686), (14, 1495843), (31, 675542), (62, 337771), (73, 286874), (146, 143437), (217, 96506), (434, 48253), (511, 40982), (661, 31682), (1022, 20491), (1322, 15841), (2263, 9254), (4526, 4627)]