20451615

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16427}}^1$

素因数の和:16518

約数の個数: 16

約数和(自身を含む): 33118848

約数和(自身を除く): 12667233

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16427, 49281, 82135, 246405, 1363441, 4090323, 6817205, 20451615]

約数ペア:

[(1, 20451615), (3, 6817205), (5, 4090323), (15, 1363441), (83, 246405), (249, 82135), (415, 49281), (1245, 16427)]