20855272

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70457}}^1$

素因数の和:70500

約数の個数: 16

約数和(自身を含む): 40161060

約数和(自身を除く): 19305788

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70457, 140914, 281828, 563656, 2606909, 5213818, 10427636, 20855272]

約数ペア:

[(1, 20855272), (2, 10427636), (4, 5213818), (8, 2606909), (37, 563656), (74, 281828), (148, 140914), (296, 70457)]