20512456924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3801419}}^1$

素因数の和:3801513

約数の個数: 24

約数和(自身を含む): 38318313600

約数和(自身を除く): 17805856676

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 3801419, 7602838, 15205676, 72226961, 144453922, 269900749, 288907844, 539801498, 1079602996, 5128114231, 10256228462, 20512456924]

約数ペア:

[(1, 20512456924), (2, 10256228462), (4, 5128114231), (19, 1079602996), (38, 539801498), (71, 288907844), (76, 269900749), (142, 144453922), (284, 72226961), (1349, 15205676), (2698, 7602838), (5396, 3801419)]