20988647060

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9807779}}^1$

素因数の和:9807895

約数の個数: 24

約数和(自身を含む): 44488090080

約数和(自身を除く): 23499443020

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9807779, 19615558, 39231116, 49038895, 98077790, 196155580, 1049432353, 2098864706, 4197729412, 5247161765, 10494323530, 20988647060]

約数ペア:

[(1, 20988647060), (2, 10494323530), (4, 5247161765), (5, 4197729412), (10, 2098864706), (20, 1049432353), (107, 196155580), (214, 98077790), (428, 49038895), (535, 39231116), (1070, 19615558), (2140, 9807779)]