20766658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49681}}^1$

素因数の和:49713

約数の個数: 16

約数和(自身を含む): 35771040

約数和(自身を除く): 15004382

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 49681, 99362, 546491, 943939, 1092982, 1887878, 10383329, 20766658]

約数ペア:

[(1, 20766658), (2, 10383329), (11, 1887878), (19, 1092982), (22, 943939), (38, 546491), (209, 99362), (418, 49681)]