20963150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32251}}^1$

素因数の和:32276

約数の個数: 24

約数和(自身を含む): 41992104

約数和(自身を除く): 21028954

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32251, 64502, 161255, 322510, 419263, 806275, 838526, 1612550, 2096315, 4192630, 10481575, 20963150]

約数ペア:

[(1, 20963150), (2, 10481575), (5, 4192630), (10, 2096315), (13, 1612550), (25, 838526), (26, 806275), (50, 419263), (65, 322510), (130, 161255), (325, 64502), (650, 32251)]