20634861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 10209939

約数列:

[1, 3, 13, 39, 53, 67, 149, 159, 201, 447, 689, 871, 1937, 2067, 2613, 3551, 5811, 7897, 9983, 10653, 23691, 29949, 46163, 102661, 129779, 138489, 307983, 389337, 529099, 1587297, 6878287, 20634861]

約数ペア:

[(1, 20634861), (3, 6878287), (13, 1587297), (39, 529099), (53, 389337), (67, 307983), (149, 138489), (159, 129779), (201, 102661), (447, 46163), (689, 29949), (871, 23691), (1937, 10653), (2067, 9983), (2613, 7897), (3551, 5811)]