20776091

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 4729189

約数列:

[1, 7, 17, 71, 119, 497, 1207, 2459, 8449, 17213, 41803, 174589, 292621, 1222123, 2968013, 20776091]

約数ペア:

[(1, 20776091), (7, 2968013), (17, 1222123), (71, 292621), (119, 174589), (497, 41803), (1207, 17213), (2459, 8449)]