20354672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97859}}^1$

素因数の和:97880

約数の個数: 20

約数和(自身を含む): 42471240

約数和(自身を除く): 22116568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97859, 195718, 391436, 782872, 1272167, 1565744, 2544334, 5088668, 10177336, 20354672]

約数ペア:

[(1, 20354672), (2, 10177336), (4, 5088668), (8, 2544334), (13, 1565744), (16, 1272167), (26, 782872), (52, 391436), (104, 195718), (208, 97859)]