20700188

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 37801344

約数和(自身を除く): 17101156

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1721, 3007, 3442, 6014, 6884, 12028, 53351, 106702, 166937, 213404, 333874, 667748, 5175047, 10350094, 20700188]

約数ペア:

[(1, 20700188), (2, 10350094), (4, 5175047), (31, 667748), (62, 333874), (97, 213404), (124, 166937), (194, 106702), (388, 53351), (1721, 12028), (3007, 6884), (3442, 6014)]