20899591666

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{660001}}^1$

素因数の和:660297

約数の個数: 16

約数和(自身を含む): 31933536768

約数和(自身を除く): 11033945102

約数列:

[1, 2, 71, 142, 223, 446, 15833, 31666, 660001, 1320002, 46860071, 93720142, 147180223, 294360446, 10449795833, 20899591666]

約数ペア:

[(1, 20899591666), (2, 10449795833), (71, 294360446), (142, 147180223), (223, 93720142), (446, 46860071), (15833, 1320002), (31666, 660001)]