420031660

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{11177}}^1$

素因数の和:13065

約数の個数: 24

約数和(自身を含む): 882614880

約数和(自身を除く): 462583220

約数列:

[1, 2, 4, 5, 10, 20, 1879, 3758, 7516, 9395, 11177, 18790, 22354, 37580, 44708, 55885, 111770, 223540, 21001583, 42003166, 84006332, 105007915, 210015830, 420031660]

約数ペア:

[(1, 420031660), (2, 210015830), (4, 105007915), (5, 84006332), (10, 42003166), (20, 21001583), (1879, 223540), (3758, 111770), (7516, 55885), (9395, 44708), (11177, 37580), (18790, 22354)]