20907735

素因数分解:

$3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4397}}^1$

素因数の和:4722

約数の個数: 16

約数和(自身を含む): 33565536

約数和(自身を除く): 12657801

約数列:

[1, 3, 5, 15, 317, 951, 1585, 4397, 4755, 13191, 21985, 65955, 1393849, 4181547, 6969245, 20907735]

約数ペア:

[(1, 20907735), (3, 6969245), (5, 4181547), (15, 1393849), (317, 65955), (951, 21985), (1585, 13191), (4397, 4755)]