20497686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310571}}^1$

素因数の和:310587

約数の個数: 16

約数和(自身を含む): 44722368

約数和(自身を除く): 24224682

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310571, 621142, 931713, 1863426, 3416281, 6832562, 10248843, 20497686]

約数ペア:

[(1, 20497686), (2, 10248843), (3, 6832562), (6, 3416281), (11, 1863426), (22, 931713), (33, 621142), (66, 310571)]