20238304821

素因数分解:

$3^1\times 7^2\times {\mathrm{137675543}}^1$

素因数の和:137675560

約数の個数: 12

約数和(自身を含む): 31390024032

約数和(自身を除く): 11151719211

約数列:

[1, 3, 7, 21, 49, 147, 137675543, 413026629, 963728801, 2891186403, 6746101607, 20238304821]

約数ペア:

[(1, 20238304821), (3, 6746101607), (7, 2891186403), (21, 963728801), (49, 413026629), (147, 137675543)]