20798576

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17807}}^1$

素因数の和:17888

約数の個数: 20

約数和(自身を含む): 40851552

約数和(自身を除く): 20052976

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17807, 35614, 71228, 142456, 284912, 1299911, 2599822, 5199644, 10399288, 20798576]

約数ペア:

[(1, 20798576), (2, 10399288), (4, 5199644), (8, 2599822), (16, 1299911), (73, 284912), (146, 142456), (292, 71228), (584, 35614), (1168, 17807)]