20875485

素因数分解:

$3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3229}}^1$

素因数の和:3668

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12613155

約数列:

[1, 3, 5, 15, 431, 1293, 2155, 3229, 6465, 9687, 16145, 48435, 1391699, 4175097, 6958495, 20875485]

約数ペア:

[(1, 20875485), (3, 6958495), (5, 4175097), (15, 1391699), (431, 48435), (1293, 16145), (2155, 9687), (3229, 6465)]