20468820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3019}}^1$

素因数の和:3144

約数の個数: 48

約数和(自身を含む): 57839040

約数和(自身を除く): 37370220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 3019, 3390, 6038, 6780, 9057, 12076, 15095, 18114, 30190, 36228, 45285, 60380, 90570, 181140, 341147, 682294, 1023441, 1364588, 1705735, 2046882, 3411470, 4093764, 5117205, 6822940, 10234410, 20468820]

約数ペア:

[(1, 20468820), (2, 10234410), (3, 6822940), (4, 5117205), (5, 4093764), (6, 3411470), (10, 2046882), (12, 1705735), (15, 1364588), (20, 1023441), (30, 682294), (60, 341147), (113, 181140), (226, 90570), (339, 60380), (452, 45285), (565, 36228), (678, 30190), (1130, 18114), (1356, 15095), (1695, 12076), (2260, 9057), (3019, 6780), (3390, 6038)]