20482931

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 20

約数和(自身を含む): 25209000

約数和(自身を除く): 4726069

約数列:

[1, 7, 19, 49, 133, 343, 449, 931, 2401, 3143, 6517, 8531, 22001, 45619, 59717, 154007, 418019, 1078049, 2926133, 20482931]

約数ペア:

[(1, 20482931), (7, 2926133), (19, 1078049), (49, 418019), (133, 154007), (343, 59717), (449, 45619), (931, 22001), (2401, 8531), (3143, 6517)]