20605522

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39779}}^1$

素因数の和:39825

約数の個数: 16

約数和(自身を含む): 36279360

約数和(自身を除く): 15673838

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39779, 79558, 278453, 556906, 1471823, 2943646, 10302761, 20605522]

約数ペア:

[(1, 20605522), (2, 10302761), (7, 2943646), (14, 1471823), (37, 556906), (74, 278453), (259, 79558), (518, 39779)]