20506428

素因数分解:

$2^2\times 3^2\times {\mathrm{569623}}^1$

素因数の和:569633

約数の個数: 18

約数和(自身を含む): 51835784

約数和(自身を除く): 31329356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569623, 1139246, 1708869, 2278492, 3417738, 5126607, 6835476, 10253214, 20506428]

約数ペア:

[(1, 20506428), (2, 10253214), (3, 6835476), (4, 5126607), (6, 3417738), (9, 2278492), (12, 1708869), (18, 1139246), (36, 569623)]