20651583

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1319}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 8620737

約数列:

[1, 3, 17, 51, 307, 921, 1319, 3957, 5219, 15657, 22423, 67269, 404933, 1214799, 6883861, 20651583]

約数ペア:

[(1, 20651583), (3, 6883861), (17, 1214799), (51, 404933), (307, 67269), (921, 22423), (1319, 15657), (3957, 5219)]