20506317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22861}}^1$

素因数の和:22900

約数の個数: 16

約数和(自身を含む): 30726528

約数和(自身を除く): 10220211

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22861, 68583, 297193, 525803, 891579, 1577409, 6835439, 20506317]

約数ペア:

[(1, 20506317), (3, 6835439), (13, 1577409), (23, 891579), (39, 525803), (69, 297193), (299, 68583), (897, 22861)]