20386143

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 30519216

約数和(自身を除く): 10133073

約数列:

[1, 3, 9, 41, 101, 123, 303, 369, 547, 909, 1641, 4141, 4923, 12423, 22427, 37269, 55247, 67281, 165741, 201843, 497223, 2265127, 6795381, 20386143]

約数ペア:

[(1, 20386143), (3, 6795381), (9, 2265127), (41, 497223), (101, 201843), (123, 165741), (303, 67281), (369, 55247), (547, 37269), (909, 22427), (1641, 12423), (4141, 4923)]