20394764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23071}}^1$

素因数の和:23105

約数の個数: 24

約数和(自身を含む): 40699008

約数和(自身を除く): 20304244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23071, 46142, 92284, 299923, 392207, 599846, 784414, 1199692, 1568828, 5098691, 10197382, 20394764]

約数ペア:

[(1, 20394764), (2, 10197382), (4, 5098691), (13, 1568828), (17, 1199692), (26, 784414), (34, 599846), (52, 392207), (68, 299923), (221, 92284), (442, 46142), (884, 23071)]