20258145

素因数分解:

$3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{823}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 35221056

約数和(自身を除く): 14962911

約数列:

[1, 3, 5, 9, 15, 45, 547, 823, 1641, 2469, 2735, 4115, 4923, 7407, 8205, 12345, 24615, 37035, 450181, 1350543, 2250905, 4051629, 6752715, 20258145]

約数ペア:

[(1, 20258145), (3, 6752715), (5, 4051629), (9, 2250905), (15, 1350543), (45, 450181), (547, 37035), (823, 24615), (1641, 12345), (2469, 8205), (2735, 7407), (4115, 4923)]