20513141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 23956800

約数和(自身を除く): 3443659

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1609, 12749, 17699, 30571, 98149, 336281, 1079639, 1864831, 20513141]

約数ペア:

[(1, 20513141), (11, 1864831), (19, 1079639), (61, 336281), (209, 98149), (671, 30571), (1159, 17699), (1609, 12749)]