20159838

素因数分解:

$2^1\times 3^2\times {\mathrm{811}}^1\times {\mathrm{1381}}^1$

素因数の和:2200

約数の個数: 24

約数和(自身を含む): 43765176

約数和(自身を除く): 23605338

約数列:

[1, 2, 3, 6, 9, 18, 811, 1381, 1622, 2433, 2762, 4143, 4866, 7299, 8286, 12429, 14598, 24858, 1119991, 2239982, 3359973, 6719946, 10079919, 20159838]

約数ペア:

[(1, 20159838), (2, 10079919), (3, 6719946), (6, 3359973), (9, 2239982), (18, 1119991), (811, 24858), (1381, 14598), (1622, 12429), (2433, 8286), (2762, 7299), (4143, 4866)]