20453860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146099}}^1$

素因数の和:146115

約数の個数: 24

約数和(自身を含む): 49089600

約数和(自身を除く): 28635740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146099, 292198, 584396, 730495, 1022693, 1460990, 2045386, 2921980, 4090772, 5113465, 10226930, 20453860]

約数ペア:

[(1, 20453860), (2, 10226930), (4, 5113465), (5, 4090772), (7, 2921980), (10, 2045386), (14, 1460990), (20, 1022693), (28, 730495), (35, 584396), (70, 292198), (140, 146099)]