20703484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1213}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 38546928

約数和(自身を除く): 17843444

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1213, 2426, 4267, 4852, 8534, 17068, 20621, 41242, 82484, 304463, 608926, 1217852, 5175871, 10351742, 20703484]

約数ペア:

[(1, 20703484), (2, 10351742), (4, 5175871), (17, 1217852), (34, 608926), (68, 304463), (251, 82484), (502, 41242), (1004, 20621), (1213, 17068), (2426, 8534), (4267, 4852)]