20199159715

素因数分解:

$5^1\times 7^1\times {\mathrm{13669}}^1\times {\mathrm{42221}}^1$

素因数の和:55902

約数の個数: 16

約数和(自身を含む): 27704387520

約数和(自身を除く): 7505227805

約数列:

[1, 5, 7, 35, 13669, 42221, 68345, 95683, 211105, 295547, 478415, 1477735, 577118849, 2885594245, 4039831943, 20199159715]

約数ペア:

[(1, 20199159715), (5, 4039831943), (7, 2885594245), (35, 577118849), (13669, 1477735), (42221, 478415), (68345, 295547), (95683, 211105)]