20797172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24877}}^1$

素因数の和:24911

約数の個数: 24

約数和(自身を含む): 41795040

約数和(自身を除く): 20997868

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 24877, 49754, 99508, 273647, 472663, 547294, 945326, 1094588, 1890652, 5199293, 10398586, 20797172]

約数ペア:

[(1, 20797172), (2, 10398586), (4, 5199293), (11, 1890652), (19, 1094588), (22, 945326), (38, 547294), (44, 472663), (76, 273647), (209, 99508), (418, 49754), (836, 24877)]