20622570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1531}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 49636800

約数和(自身を除く): 29014230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1531, 2245, 2694, 3062, 4490, 4593, 6735, 7655, 9186, 13470, 15310, 22965, 45930, 687419, 1374838, 2062257, 3437095, 4124514, 6874190, 10311285, 20622570]

約数ペア:

[(1, 20622570), (2, 10311285), (3, 6874190), (5, 4124514), (6, 3437095), (10, 2062257), (15, 1374838), (30, 687419), (449, 45930), (898, 22965), (1347, 15310), (1531, 13470), (2245, 9186), (2694, 7655), (3062, 6735), (4490, 4593)]