20531220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342187}}^1$

素因数の和:342199

約数の個数: 24

約数和(自身を含む): 57487584

約数和(自身を除く): 36956364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342187, 684374, 1026561, 1368748, 1710935, 2053122, 3421870, 4106244, 5132805, 6843740, 10265610, 20531220]

約数ペア:

[(1, 20531220), (2, 10265610), (3, 6843740), (4, 5132805), (5, 4106244), (6, 3421870), (10, 2053122), (12, 1710935), (15, 1368748), (20, 1026561), (30, 684374), (60, 342187)]