20166195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27437}}^1$

素因数の和:27459

約数の個数: 24

約数和(自身を含む): 37535184

約数和(自身を除く): 17368989

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27437, 82311, 137185, 192059, 411555, 576177, 960295, 1344413, 2880885, 4033239, 6722065, 20166195]

約数ペア:

[(1, 20166195), (3, 6722065), (5, 4033239), (7, 2880885), (15, 1344413), (21, 960295), (35, 576177), (49, 411555), (105, 192059), (147, 137185), (245, 82311), (735, 27437)]