20370465

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4153}}^1$

素因数の和:4273

約数の個数: 24

約数和(自身を含む): 35641320

約数和(自身を除く): 15270855

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4153, 4905, 12459, 20765, 37377, 62295, 186885, 452677, 1358031, 2263385, 4074093, 6790155, 20370465]

約数ペア:

[(1, 20370465), (3, 6790155), (5, 4074093), (9, 2263385), (15, 1358031), (45, 452677), (109, 186885), (327, 62295), (545, 37377), (981, 20765), (1635, 12459), (4153, 4905)]