20745543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{75991}}^1$

素因数の和:76014

約数の個数: 16

約数和(自身を含む): 34044416

約数和(自身を除く): 13298873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 75991, 227973, 531937, 987883, 1595811, 2963649, 6915181, 20745543]

約数ペア:

[(1, 20745543), (3, 6915181), (7, 2963649), (13, 1595811), (21, 987883), (39, 531937), (91, 227973), (273, 75991)]