20162942872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81302189}}^1$

素因数の和:81302226

約数の個数: 16

約数和(自身を含む): 39025051200

約数和(自身を除く): 18862108328

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81302189, 162604378, 325208756, 650417512, 2520367859, 5040735718, 10081471436, 20162942872]

約数ペア:

[(1, 20162942872), (2, 10081471436), (4, 5040735718), (8, 2520367859), (31, 650417512), (62, 325208756), (124, 162604378), (248, 81302189)]