20217190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288817}}^1$

素因数の和:288831

約数の個数: 16

約数和(自身を含む): 41589792

約数和(自身を除く): 21372602

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288817, 577634, 1444085, 2021719, 2888170, 4043438, 10108595, 20217190]

約数ペア:

[(1, 20217190), (2, 10108595), (5, 4043438), (7, 2888170), (10, 2021719), (14, 1444085), (35, 577634), (70, 288817)]