20137545640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4984541}}^1$

素因数の和:4984653

約数の個数: 32

約数和(自身を含む): 45758095560

約数和(自身を除く): 25620549920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4984541, 9969082, 19938164, 24922705, 39876328, 49845410, 99690820, 199381640, 503438641, 1006877282, 2013754564, 2517193205, 4027509128, 5034386410, 10068772820, 20137545640]

約数ペア:

[(1, 20137545640), (2, 10068772820), (4, 5034386410), (5, 4027509128), (8, 2517193205), (10, 2013754564), (20, 1006877282), (40, 503438641), (101, 199381640), (202, 99690820), (404, 49845410), (505, 39876328), (808, 24922705), (1010, 19938164), (2020, 9969082), (4040, 4984541)]