20564804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6703}}^1$

素因数の和:6779

約数の個数: 24

約数和(自身を含む): 39419520

約数和(自身を除く): 18854716

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6703, 13406, 26812, 87139, 174278, 348556, 395477, 790954, 1581908, 5141201, 10282402, 20564804]

約数ペア:

[(1, 20564804), (2, 10282402), (4, 5141201), (13, 1581908), (26, 790954), (52, 395477), (59, 348556), (118, 174278), (236, 87139), (767, 26812), (1534, 13406), (3068, 6703)]