20066817

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 28458432

約数和(自身を除く): 8391615

約数列:

[1, 3, 17, 51, 257, 771, 1531, 4369, 4593, 13107, 26027, 78081, 393467, 1180401, 6688939, 20066817]

約数ペア:

[(1, 20066817), (3, 6688939), (17, 1180401), (51, 393467), (257, 78081), (771, 26027), (1531, 13107), (4369, 4593)]