20216415

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3361}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 32436576

約数和(自身を除く): 12220161

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 3361, 6015, 10083, 16805, 50415, 1347761, 4043283, 6738805, 20216415]

約数ペア:

[(1, 20216415), (3, 6738805), (5, 4043283), (15, 1347761), (401, 50415), (1203, 16805), (2005, 10083), (3361, 6015)]