20539729

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1213}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 24474240

約数和(自身を除く): 3934511

約数列:

[1, 7, 41, 59, 287, 413, 1213, 2419, 8491, 16933, 49733, 71567, 348131, 500969, 2934247, 20539729]

約数ペア:

[(1, 20539729), (7, 2934247), (41, 500969), (59, 348131), (287, 71567), (413, 49733), (1213, 16933), (2419, 8491)]