20187011

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 22480416

約数和(自身を除く): 2293405

約数列:

[1, 13, 53, 83, 353, 689, 1079, 4399, 4589, 18709, 29299, 57187, 243217, 380887, 1552847, 20187011]

約数ペア:

[(1, 20187011), (13, 1552847), (53, 380887), (83, 243217), (353, 57187), (689, 29299), (1079, 18709), (4399, 4589)]