28622020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204443}}^1$

素因数の和:204459

約数の個数: 24

約数和(自身を含む): 68693184

約数和(自身を除く): 40071164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204443, 408886, 817772, 1022215, 1431101, 2044430, 2862202, 4088860, 5724404, 7155505, 14311010, 28622020]

約数ペア:

[(1, 28622020), (2, 14311010), (4, 7155505), (5, 5724404), (7, 4088860), (10, 2862202), (14, 2044430), (20, 1431101), (28, 1022215), (35, 817772), (70, 408886), (140, 204443)]