20172952807

素因数分解:

$7^1\times {\mathrm{79}}^2\times {\mathrm{409}}^1\times {\mathrm{1129}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 23428154400

約数和(自身を除く): 3255201593

約数列:

[1, 7, 79, 409, 553, 1129, 2863, 6241, 7903, 32311, 43687, 89191, 226177, 461761, 624337, 2552569, 3232327, 7046089, 17867983, 36479119, 49322623, 255353833, 2881850401, 20172952807]

約数ペア:

[(1, 20172952807), (7, 2881850401), (79, 255353833), (409, 49322623), (553, 36479119), (1129, 17867983), (2863, 7046089), (6241, 3232327), (7903, 2552569), (32311, 624337), (43687, 461761), (89191, 226177)]