20172089950

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1688041}}^1$

素因数の和:1688292

約数の個数: 24

約数和(自身を含む): 37677097440

約数和(自身を除く): 17505007490

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 1195, 2390, 5975, 11950, 1688041, 3376082, 8440205, 16880410, 42201025, 84402050, 403441799, 806883598, 2017208995, 4034417990, 10086044975, 20172089950]

約数ペア:

[(1, 20172089950), (2, 10086044975), (5, 4034417990), (10, 2017208995), (25, 806883598), (50, 403441799), (239, 84402050), (478, 42201025), (1195, 16880410), (2390, 8440205), (5975, 3376082), (11950, 1688041)]