20309868

素因数分解:

$2^2\times 3^2\times {\mathrm{564163}}^1$

素因数の和:564173

約数の個数: 18

約数和(自身を含む): 51338924

約数和(自身を除く): 31029056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 564163, 1128326, 1692489, 2256652, 3384978, 5077467, 6769956, 10154934, 20309868]

約数ペア:

[(1, 20309868), (2, 10154934), (3, 6769956), (4, 5077467), (6, 3384978), (9, 2256652), (12, 1692489), (18, 1128326), (36, 564163)]