2039420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 4327344

約数和(自身を除く): 2287924

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 953, 1070, 1906, 2140, 3812, 4765, 9530, 19060, 101971, 203942, 407884, 509855, 1019710, 2039420]

約数ペア:

[(1, 2039420), (2, 1019710), (4, 509855), (5, 407884), (10, 203942), (20, 101971), (107, 19060), (214, 9530), (428, 4765), (535, 3812), (953, 2140), (1070, 1906)]