20136561

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{653}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 28357440

約数和(自身を除く): 8220879

約数列:

[1, 3, 19, 57, 541, 653, 1623, 1959, 10279, 12407, 30837, 37221, 353273, 1059819, 6712187, 20136561]

約数ペア:

[(1, 20136561), (3, 6712187), (19, 1059819), (57, 353273), (541, 37221), (653, 30837), (1623, 12407), (1959, 10279)]