20996643

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 28470816

約数和(自身を除く): 7474173

約数列:

[1, 3, 113, 241, 257, 339, 723, 771, 27233, 29041, 61937, 81699, 87123, 185811, 6998881, 20996643]

約数ペア:

[(1, 20996643), (3, 6998881), (113, 185811), (241, 87123), (257, 81699), (339, 61937), (723, 29041), (771, 27233)]