20913736

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{13687}}^1$

素因数の和:13884

約数の個数: 16

約数和(自身を含む): 39421440

約数和(自身を除く): 18507704

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 13687, 27374, 54748, 109496, 2614217, 5228434, 10456868, 20913736]

約数ペア:

[(1, 20913736), (2, 10456868), (4, 5228434), (8, 2614217), (191, 109496), (382, 54748), (764, 27374), (1528, 13687)]