20917325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5851}}^1$

素因数の和:5885

約数の個数: 24

約数和(自身を含む): 30477216

約数和(自身を除く): 9559891

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5851, 29255, 64361, 76063, 146275, 321805, 380315, 836693, 1609025, 1901575, 4183465, 20917325]

約数ペア:

[(1, 20917325), (5, 4183465), (11, 1901575), (13, 1609025), (25, 836693), (55, 380315), (65, 321805), (143, 146275), (275, 76063), (325, 64361), (715, 29255), (3575, 5851)]