20087388

素因数分解:

$2^2\times 3^2\times {\mathrm{709}}^1\times {\mathrm{787}}^1$

素因数の和:1506

約数の個数: 36

約数和(自身を含む): 50912680

約数和(自身を除く): 30825292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 709, 787, 1418, 1574, 2127, 2361, 2836, 3148, 4254, 4722, 6381, 7083, 8508, 9444, 12762, 14166, 25524, 28332, 557983, 1115966, 1673949, 2231932, 3347898, 5021847, 6695796, 10043694, 20087388]

約数ペア:

[(1, 20087388), (2, 10043694), (3, 6695796), (4, 5021847), (6, 3347898), (9, 2231932), (12, 1673949), (18, 1115966), (36, 557983), (709, 28332), (787, 25524), (1418, 14166), (1574, 12762), (2127, 9444), (2361, 8508), (2836, 7083), (3148, 6381), (4254, 4722)]