20901477586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{719203}}^1$

素因数の和:720537

約数の個数: 16

約数和(自身を含む): 34228356768

約数和(自身を除く): 13326879182

約数列:

[1, 2, 11, 22, 1321, 2642, 14531, 29062, 719203, 1438406, 7911233, 15822466, 950067163, 1900134326, 10450738793, 20901477586]

約数ペア:

[(1, 20901477586), (2, 10450738793), (11, 1900134326), (22, 950067163), (1321, 15822466), (2642, 7911233), (14531, 1438406), (29062, 719203)]