20503899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6043}}^1$

素因数の和:6091

約数の個数: 24

約数和(自身を含む): 33000240

約数和(自身を除く): 12496341

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6043, 18129, 54387, 78559, 175247, 235677, 525741, 707031, 1577223, 2278211, 6834633, 20503899]

約数ペア:

[(1, 20503899), (3, 6834633), (9, 2278211), (13, 1577223), (29, 707031), (39, 525741), (87, 235677), (117, 175247), (261, 78559), (377, 54387), (1131, 18129), (3393, 6043)]