20369945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1163}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 25477632

約数和(自身を除く): 5107687

約数列:

[1, 5, 31, 113, 155, 565, 1163, 3503, 5815, 17515, 36053, 131419, 180265, 657095, 4073989, 20369945]

約数ペア:

[(1, 20369945), (5, 4073989), (31, 657095), (113, 180265), (155, 131419), (565, 36053), (1163, 17515), (3503, 5815)]