20806488

素因数分解:

$2^3\times 3^2\times {\mathrm{288979}}^1$

素因数の和:288991

約数の個数: 24

約数和(自身を含む): 56351100

約数和(自身を除く): 35544612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 288979, 577958, 866937, 1155916, 1733874, 2311832, 2600811, 3467748, 5201622, 6935496, 10403244, 20806488]

約数ペア:

[(1, 20806488), (2, 10403244), (3, 6935496), (4, 5201622), (6, 3467748), (8, 2600811), (9, 2311832), (12, 1733874), (18, 1155916), (24, 866937), (36, 577958), (72, 288979)]