20311745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 5124415

約数列:

[1, 5, 29, 127, 145, 635, 1103, 3683, 5515, 18415, 31987, 140081, 159935, 700405, 4062349, 20311745]

約数ペア:

[(1, 20311745), (5, 4062349), (29, 700405), (127, 159935), (145, 140081), (635, 31987), (1103, 18415), (3683, 5515)]