20205540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112253}}^1$

素因数の和:112268

約数の個数: 36

約数和(自身を含む): 61290684

約数和(自身を除く): 41085144

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112253, 224506, 336759, 449012, 561265, 673518, 1010277, 1122530, 1347036, 1683795, 2020554, 2245060, 3367590, 4041108, 5051385, 6735180, 10102770, 20205540]

約数ペア:

[(1, 20205540), (2, 10102770), (3, 6735180), (4, 5051385), (5, 4041108), (6, 3367590), (9, 2245060), (10, 2020554), (12, 1683795), (15, 1347036), (18, 1122530), (20, 1010277), (30, 673518), (36, 561265), (45, 449012), (60, 336759), (90, 224506), (180, 112253)]