20369210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49681}}^1$

素因数の和:49729

約数の個数: 16

約数和(自身を含む): 37559592

約数和(自身を除く): 17190382

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49681, 99362, 248405, 496810, 2036921, 4073842, 10184605, 20369210]

約数ペア:

[(1, 20369210), (2, 10184605), (5, 4073842), (10, 2036921), (41, 496810), (82, 248405), (205, 99362), (410, 49681)]