20572111

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1679

約数の個数: 16

約数和(自身を含む): 24654400

約数和(自身を除く): 4082289

約数列:

[1, 7, 37, 49, 259, 343, 1621, 1813, 11347, 12691, 59977, 79429, 419839, 556003, 2938873, 20572111]

約数ペア:

[(1, 20572111), (7, 2938873), (37, 556003), (49, 419839), (259, 79429), (343, 59977), (1621, 12691), (1813, 11347)]