20424050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21499}}^1$

素因数の和:21530

約数の個数: 24

約数和(自身を含む): 39990000

約数和(自身を除く): 19565950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21499, 42998, 107495, 214990, 408481, 537475, 816962, 1074950, 2042405, 4084810, 10212025, 20424050]

約数ペア:

[(1, 20424050), (2, 10212025), (5, 4084810), (10, 2042405), (19, 1074950), (25, 816962), (38, 537475), (50, 408481), (95, 214990), (190, 107495), (475, 42998), (950, 21499)]