20925993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14747}}^1$

素因数の和:14804

約数の個数: 16

約数和(自身を含む): 31147776

約数和(自身を除く): 10221783

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14747, 44241, 162217, 486651, 634121, 1902363, 6975331, 20925993]

約数ペア:

[(1, 20925993), (3, 6975331), (11, 1902363), (33, 634121), (43, 486651), (129, 162217), (473, 44241), (1419, 14747)]