20205140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17123}}^1$

素因数の和:17191

約数の個数: 24

約数和(自身を含む): 43152480

約数和(自身を除く): 22947340

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17123, 34246, 68492, 85615, 171230, 342460, 1010257, 2020514, 4041028, 5051285, 10102570, 20205140]

約数ペア:

[(1, 20205140), (2, 10102570), (4, 5051285), (5, 4041028), (10, 2020514), (20, 1010257), (59, 342460), (118, 171230), (236, 85615), (295, 68492), (590, 34246), (1180, 17123)]