20043429

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1489}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 30610560

約数和(自身を除く): 10567131

約数列:

[1, 3, 7, 21, 641, 1489, 1923, 4467, 4487, 10423, 13461, 31269, 954449, 2863347, 6681143, 20043429]

約数ペア:

[(1, 20043429), (3, 6681143), (7, 2863347), (21, 954449), (641, 31269), (1489, 13461), (1923, 10423), (4467, 4487)]