20199774819

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6920101}}^1$

素因数の和:6920250

約数の個数: 16

約数和(自身を含む): 31002056960

約数和(自身を除く): 10802282141

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6920101, 20760303, 48440707, 145322121, 961894039, 2885682117, 6733258273, 20199774819]

約数ペア:

[(1, 20199774819), (3, 6733258273), (7, 2885682117), (21, 961894039), (139, 145322121), (417, 48440707), (973, 20760303), (2919, 6920101)]