20337375

素因数分解:

$3^1\times 5^3\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 34137792

約数和(自身を除く): 13800417

約数列:

[1, 3, 5, 15, 25, 75, 125, 193, 281, 375, 579, 843, 965, 1405, 2895, 4215, 4825, 7025, 14475, 21075, 24125, 35125, 54233, 72375, 105375, 162699, 271165, 813495, 1355825, 4067475, 6779125, 20337375]

約数ペア:

[(1, 20337375), (3, 6779125), (5, 4067475), (15, 1355825), (25, 813495), (75, 271165), (125, 162699), (193, 105375), (281, 72375), (375, 54233), (579, 35125), (843, 24125), (965, 21075), (1405, 14475), (2895, 7025), (4215, 4825)]