20291344619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1\times {\mathrm{5827}}^1$

素因数の和:8115

約数の個数: 32

約数和(自身を含む): 26459306496

約数和(自身を除く): 6167961877

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 2251, 5827, 15757, 29263, 38267, 40789, 75751, 99059, 204841, 267869, 497471, 530257, 693413, 1287767, 3482297, 9014369, 13116577, 91816039, 170515501, 222981809, 1193608507, 1560872663, 2898763517, 20291344619]

約数ペア:

[(1, 20291344619), (7, 2898763517), (13, 1560872663), (17, 1193608507), (91, 222981809), (119, 170515501), (221, 91816039), (1547, 13116577), (2251, 9014369), (5827, 3482297), (15757, 1287767), (29263, 693413), (38267, 530257), (40789, 497471), (75751, 267869), (99059, 204841)]