20569153

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 4328447

約数列:

[1, 11, 19, 23, 121, 209, 253, 389, 437, 2299, 2783, 4279, 4807, 7391, 8947, 47069, 52877, 81301, 98417, 169993, 894311, 1082587, 1869923, 20569153]

約数ペア:

[(1, 20569153), (11, 1869923), (19, 1082587), (23, 894311), (121, 169993), (209, 98417), (253, 81301), (389, 52877), (437, 47069), (2299, 8947), (2783, 7391), (4279, 4807)]