20845515

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19037}}^1$

素因数の和:19118

約数の個数: 16

約数和(自身を含む): 33811488

約数和(自身を除く): 12965973

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 19037, 57111, 95185, 285555, 1389701, 4169103, 6948505, 20845515]

約数ペア:

[(1, 20845515), (3, 6948505), (5, 4169103), (15, 1389701), (73, 285555), (219, 95185), (365, 57111), (1095, 19037)]