20175830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87721}}^1$

素因数の和:87751

約数の個数: 16

約数和(自身を含む): 37895904

約数和(自身を除く): 17720074

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87721, 175442, 438605, 877210, 2017583, 4035166, 10087915, 20175830]

約数ペア:

[(1, 20175830), (2, 10087915), (5, 4035166), (10, 2017583), (23, 877210), (46, 438605), (115, 175442), (230, 87721)]