20817130

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5581}}^1$

素因数の和:5961

約数の個数: 16

約数和(自身を含む): 37578024

約数和(自身を除く): 16760894

約数列:

[1, 2, 5, 10, 373, 746, 1865, 3730, 5581, 11162, 27905, 55810, 2081713, 4163426, 10408565, 20817130]

約数ペア:

[(1, 20817130), (2, 10408565), (5, 4163426), (10, 2081713), (373, 55810), (746, 27905), (1865, 11162), (3730, 5581)]