20161672

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18131}}^1$

素因数の和:18276

約数の個数: 16

約数和(自身を含む): 38077200

約数和(自身を除く): 17915528

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18131, 36262, 72524, 145048, 2520209, 5040418, 10080836, 20161672]

約数ペア:

[(1, 20161672), (2, 10080836), (4, 5040418), (8, 2520209), (139, 145048), (278, 72524), (556, 36262), (1112, 18131)]