20413533

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18341}}^1$

素因数の和:18404

約数の個数: 16

約数和(自身を含む): 31694976

約数和(自身を除く): 11281443

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18341, 55023, 128387, 385161, 972073, 2916219, 6804511, 20413533]

約数ペア:

[(1, 20413533), (3, 6804511), (7, 2916219), (21, 972073), (53, 385161), (159, 128387), (371, 55023), (1113, 18341)]