20137555280

素因数分解:

$2^4\times 5^1\times {\mathrm{251719441}}^1$

素因数の和:251719454

約数の個数: 20

約数和(自身を含む): 46819816212

約数和(自身を除く): 26682260932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251719441, 503438882, 1006877764, 1258597205, 2013755528, 2517194410, 4027511056, 5034388820, 10068777640, 20137555280]

約数ペア:

[(1, 20137555280), (2, 10068777640), (4, 5034388820), (5, 4027511056), (8, 2517194410), (10, 2013755528), (16, 1258597205), (20, 1006877764), (40, 503438882), (80, 251719441)]