20498038705

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{4265981}}^1$

素因数の和:4266048

約数の個数: 12

約数和(自身を含む): 25416720756

約数和(自身を除く): 4918682051

約数列:

[1, 5, 31, 155, 961, 4805, 4265981, 21329905, 132245411, 661227055, 4099607741, 20498038705]

約数ペア:

[(1, 20498038705), (5, 4099607741), (31, 661227055), (155, 132245411), (961, 21329905), (4805, 4265981)]