20104357

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 25896696

約数和(自身を除く): 5792339

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 853, 1813, 3367, 5971, 11089, 23569, 31561, 41797, 77623, 220927, 410293, 543361, 1546489, 2872051, 20104357]

約数ペア:

[(1, 20104357), (7, 2872051), (13, 1546489), (37, 543361), (49, 410293), (91, 220927), (259, 77623), (481, 41797), (637, 31561), (853, 23569), (1813, 11089), (3367, 5971)]