20953075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5861}}^1$

素因数の和:5895

約数の個数: 24

約数和(自身を含む): 30529296

約数和(自身を除く): 9576221

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5861, 29305, 64471, 76193, 146525, 322355, 380965, 838123, 1611775, 1904825, 4190615, 20953075]

約数ペア:

[(1, 20953075), (5, 4190615), (11, 1904825), (13, 1611775), (25, 838123), (55, 380965), (65, 322355), (143, 146525), (275, 76193), (325, 64471), (715, 29305), (3575, 5861)]