20980583

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 2673817

約数列:

[1, 13, 31, 79, 403, 659, 1027, 2449, 8567, 20429, 31837, 52061, 265577, 676793, 1613891, 20980583]

約数ペア:

[(1, 20980583), (13, 1613891), (31, 676793), (79, 265577), (403, 52061), (659, 31837), (1027, 20429), (2449, 8567)]