20405618

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1$

素因数の和:8653

約数の個数: 16

約数和(自身を含む): 32439960

約数和(自身を除く): 12034342

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8581, 17162, 248849, 351821, 497698, 703642, 10202809, 20405618]

約数ペア:

[(1, 20405618), (2, 10202809), (29, 703642), (41, 497698), (58, 351821), (82, 248849), (1189, 17162), (2378, 8581)]