20817447

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34183}}^1$

素因数の和:34222

約数の個数: 16

約数和(自身を含む): 32816640

約数和(自身を除く): 11999193

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34183, 102549, 239281, 717843, 991307, 2973921, 6939149, 20817447]

約数ペア:

[(1, 20817447), (3, 6939149), (7, 2973921), (21, 991307), (29, 717843), (87, 239281), (203, 102549), (609, 34183)]