20199232781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{884341}}^1$

素因数の和:884612

約数の個数: 16

約数和(自身を含む): 24959668608

約数和(自身を除く): 4760435827

約数列:

[1, 7, 13, 91, 251, 1757, 3263, 22841, 884341, 6190387, 11496433, 80475031, 221969591, 1553787137, 2885604683, 20199232781]

約数ペア:

[(1, 20199232781), (7, 2885604683), (13, 1553787137), (91, 221969591), (251, 80475031), (1757, 11496433), (3263, 6190387), (22841, 884341)]