20955735

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 36438480

約数和(自身を除く): 15482745

約数列:

[1, 3, 5, 9, 15, 45, 457, 1019, 1371, 2285, 3057, 4113, 5095, 6855, 9171, 15285, 20565, 45855, 465683, 1397049, 2328415, 4191147, 6985245, 20955735]

約数ペア:

[(1, 20955735), (3, 6985245), (5, 4191147), (9, 2328415), (15, 1397049), (45, 465683), (457, 45855), (1019, 20565), (1371, 15285), (2285, 9171), (3057, 6855), (4113, 5095)]