20653878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28927}}^1$

素因数の和:28956

約数の個数: 32

約数和(自身を含む): 49987584

約数和(自身を除く): 29333706

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 28927, 57854, 86781, 173562, 202489, 404978, 491759, 607467, 983518, 1214934, 1475277, 2950554, 3442313, 6884626, 10326939, 20653878]

約数ペア:

[(1, 20653878), (2, 10326939), (3, 6884626), (6, 3442313), (7, 2950554), (14, 1475277), (17, 1214934), (21, 983518), (34, 607467), (42, 491759), (51, 404978), (102, 202489), (119, 173562), (238, 86781), (357, 57854), (714, 28927)]