20343072880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19560647}}^1$

素因数の和:19560673

約数の個数: 40

約数和(自身を含む): 50935927392

約数和(自身を除く): 30592854512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19560647, 39121294, 78242588, 97803235, 156485176, 195606470, 254288411, 312970352, 391212940, 508576822, 782425880, 1017153644, 1271442055, 1564851760, 2034307288, 2542884110, 4068614576, 5085768220, 10171536440, 20343072880]

約数ペア:

[(1, 20343072880), (2, 10171536440), (4, 5085768220), (5, 4068614576), (8, 2542884110), (10, 2034307288), (13, 1564851760), (16, 1271442055), (20, 1017153644), (26, 782425880), (40, 508576822), (52, 391212940), (65, 312970352), (80, 254288411), (104, 195606470), (130, 156485176), (208, 97803235), (260, 78242588), (520, 39121294), (1040, 19560647)]