20857322

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8363}}^1$

素因数の和:8437

約数の個数: 16

約数和(自身を含む): 33121440

約数和(自身を除く): 12264118

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8363, 16726, 242527, 359609, 485054, 719218, 10428661, 20857322]

約数ペア:

[(1, 20857322), (2, 10428661), (29, 719218), (43, 485054), (58, 359609), (86, 242527), (1247, 16726), (2494, 8363)]