20601020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3229}}^1$

素因数の和:3278

約数の個数: 48

約数和(自身を含む): 48837600

約数和(自身を除く): 28236580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 3229, 6380, 6458, 12916, 16145, 32290, 35519, 64580, 71038, 93641, 142076, 177595, 187282, 355190, 374564, 468205, 710380, 936410, 1030051, 1872820, 2060102, 4120204, 5150255, 10300510, 20601020]

約数ペア:

[(1, 20601020), (2, 10300510), (4, 5150255), (5, 4120204), (10, 2060102), (11, 1872820), (20, 1030051), (22, 936410), (29, 710380), (44, 468205), (55, 374564), (58, 355190), (110, 187282), (116, 177595), (145, 142076), (220, 93641), (290, 71038), (319, 64580), (580, 35519), (638, 32290), (1276, 16145), (1595, 12916), (3190, 6458), (3229, 6380)]