20864727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1181}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 32698848

約数和(自身を除く): 11834121

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1181, 1359, 1963, 3543, 5889, 10629, 15353, 17667, 46059, 138177, 178331, 534993, 1604979, 2318303, 6954909, 20864727]

約数ペア:

[(1, 20864727), (3, 6954909), (9, 2318303), (13, 1604979), (39, 534993), (117, 178331), (151, 138177), (453, 46059), (1181, 17667), (1359, 15353), (1963, 10629), (3543, 5889)]