20531225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5743}}^1$

素因数の和:5777

約数の個数: 24

約数和(自身を含む): 29914752

約数和(自身を除く): 9383527

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5743, 28715, 63173, 74659, 143575, 315865, 373295, 821249, 1579325, 1866475, 4106245, 20531225]

約数ペア:

[(1, 20531225), (5, 4106245), (11, 1866475), (13, 1579325), (25, 821249), (55, 373295), (65, 315865), (143, 143575), (275, 74659), (325, 63173), (715, 28715), (3575, 5743)]