20350561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11491}}^1$

素因数の和:11532

約数の個数: 16

約数和(自身を含む): 26477568

約数和(自身を除く): 6127007

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11491, 80437, 126401, 264293, 884807, 1850051, 2907223, 20350561]

約数ペア:

[(1, 20350561), (7, 2907223), (11, 1850051), (23, 884807), (77, 264293), (161, 126401), (253, 80437), (1771, 11491)]