20785624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83813}}^1$

素因数の和:83850

約数の個数: 16

約数和(自身を含む): 40230720

約数和(自身を除く): 19445096

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83813, 167626, 335252, 670504, 2598203, 5196406, 10392812, 20785624]

約数ペア:

[(1, 20785624), (2, 10392812), (4, 5196406), (8, 2598203), (31, 670504), (62, 335252), (124, 167626), (248, 83813)]