20453340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340889}}^1$

素因数の和:340901

約数の個数: 24

約数和(自身を含む): 57269520

約数和(自身を除く): 36816180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340889, 681778, 1022667, 1363556, 1704445, 2045334, 3408890, 4090668, 5113335, 6817780, 10226670, 20453340]

約数ペア:

[(1, 20453340), (2, 10226670), (3, 6817780), (4, 5113335), (5, 4090668), (6, 3408890), (10, 2045334), (12, 1704445), (15, 1363556), (20, 1022667), (30, 681778), (60, 340889)]