13820404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4357}}^1$

素因数の和:4435

約数の個数: 24

約数和(自身を含む): 26479208

約数和(自身を除く): 12658804

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 4357, 8714, 17428, 56641, 113282, 226564, 265777, 531554, 1063108, 3455101, 6910202, 13820404]

約数ペア:

[(1, 13820404), (2, 6910202), (4, 3455101), (13, 1063108), (26, 531554), (52, 265777), (61, 226564), (122, 113282), (244, 56641), (793, 17428), (1586, 8714), (3172, 4357)]