16728020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4621}}^1$

素因数の和:4811

約数の個数: 24

約数和(自身を含む): 35330568

約数和(自身を除く): 18602548

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4621, 9242, 18484, 23105, 46210, 92420, 836401, 1672802, 3345604, 4182005, 8364010, 16728020]

約数ペア:

[(1, 16728020), (2, 8364010), (4, 4182005), (5, 3345604), (10, 1672802), (20, 836401), (181, 92420), (362, 46210), (724, 23105), (905, 18484), (1810, 9242), (3620, 4621)]