20802454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 34848000

約数和(自身を除く): 14045546

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 439, 551, 817, 878, 1102, 1247, 1634, 2494, 8341, 12731, 16682, 18877, 23693, 25462, 37754, 47386, 241889, 358663, 483778, 547433, 717326, 1094866, 10401227, 20802454]

約数ペア:

[(1, 20802454), (2, 10401227), (19, 1094866), (29, 717326), (38, 547433), (43, 483778), (58, 358663), (86, 241889), (439, 47386), (551, 37754), (817, 25462), (878, 23693), (1102, 18877), (1247, 16682), (1634, 12731), (2494, 8341)]