20784078

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164953}}^1$

素因数の和:164968

約数の個数: 24

約数和(自身を含む): 51465648

約数和(自身を除く): 30681570

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164953, 329906, 494859, 989718, 1154671, 1484577, 2309342, 2969154, 3464013, 6928026, 10392039, 20784078]

約数ペア:

[(1, 20784078), (2, 10392039), (3, 6928026), (6, 3464013), (7, 2969154), (9, 2309342), (14, 1484577), (18, 1154671), (21, 989718), (42, 494859), (63, 329906), (126, 164953)]