20281918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5279}}^1$

素因数の和:5411

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 12221762

約数列:

[1, 2, 17, 34, 113, 226, 1921, 3842, 5279, 10558, 89743, 179486, 596527, 1193054, 10140959, 20281918]

約数ペア:

[(1, 20281918), (2, 10140959), (17, 1193054), (34, 596527), (113, 179486), (226, 89743), (1921, 10558), (3842, 5279)]