20491452

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8017}}^1$

素因数の和:8098

約数の個数: 36

約数和(自身を含む): 52533936

約数和(自身を除く): 32042484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8017, 16034, 24051, 32068, 48102, 72153, 96204, 144306, 288612, 569207, 1138414, 1707621, 2276828, 3415242, 5122863, 6830484, 10245726, 20491452]

約数ペア:

[(1, 20491452), (2, 10245726), (3, 6830484), (4, 5122863), (6, 3415242), (9, 2276828), (12, 1707621), (18, 1138414), (36, 569207), (71, 288612), (142, 144306), (213, 96204), (284, 72153), (426, 48102), (639, 32068), (852, 24051), (1278, 16034), (2556, 8017)]