20309335

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 25030944

約数和(自身を除く): 4721609

約数列:

[1, 5, 53, 173, 265, 443, 865, 2215, 9169, 23479, 45845, 76639, 117395, 383195, 4061867, 20309335]

約数ペア:

[(1, 20309335), (5, 4061867), (53, 383195), (173, 117395), (265, 76639), (443, 45845), (865, 23479), (2215, 9169)]