20868009675

素因数分解:

$3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1004477}}^1$

素因数の和:1004767

約数の個数: 24

約数和(自身を含む): 34626365616

約数和(自身を除く): 13758355941

約数列:

[1, 3, 5, 15, 25, 75, 277, 831, 1385, 4155, 6925, 20775, 1004477, 3013431, 5022385, 15067155, 25111925, 75335775, 278240129, 834720387, 1391200645, 4173601935, 6956003225, 20868009675]

約数ペア:

[(1, 20868009675), (3, 6956003225), (5, 4173601935), (15, 1391200645), (25, 834720387), (75, 278240129), (277, 75335775), (831, 25111925), (1385, 15067155), (4155, 5022385), (6925, 3013431), (20775, 1004477)]