20736615

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19471}}^1$

素因数の和:19550

約数の個数: 16

約数和(自身を含む): 33647616

約数和(自身を除く): 12911001

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19471, 58413, 97355, 292065, 1382441, 4147323, 6912205, 20736615]

約数ペア:

[(1, 20736615), (3, 6912205), (5, 4147323), (15, 1382441), (71, 292065), (213, 97355), (355, 58413), (1065, 19471)]