20354450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9929}}^1$

素因数の和:9982

約数の個数: 24

約数和(自身を含む): 38786580

約数和(自身を除く): 18432130

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9929, 19858, 49645, 99290, 248225, 407089, 496450, 814178, 2035445, 4070890, 10177225, 20354450]

約数ペア:

[(1, 20354450), (2, 10177225), (5, 4070890), (10, 2035445), (25, 814178), (41, 496450), (50, 407089), (82, 248225), (205, 99290), (410, 49645), (1025, 19858), (2050, 9929)]