20823605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1571}}^1$

素因数の和:1828

約数の個数: 16

約数和(自身を含む): 27390528

約数和(自身を除く): 6566923

約数列:

[1, 5, 11, 55, 241, 1205, 1571, 2651, 7855, 13255, 17281, 86405, 378611, 1893055, 4164721, 20823605]

約数ペア:

[(1, 20823605), (5, 4164721), (11, 1893055), (55, 378611), (241, 86405), (1205, 17281), (1571, 13255), (2651, 7855)]