20803315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1181}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 27006336

約数和(自身を除く): 6203021

約数列:

[1, 5, 13, 65, 271, 1181, 1355, 3523, 5905, 15353, 17615, 76765, 320051, 1600255, 4160663, 20803315]

約数ペア:

[(1, 20803315), (5, 4160663), (13, 1600255), (65, 320051), (271, 76765), (1181, 17615), (1355, 15353), (3523, 5905)]