20624481

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4159}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 32448000

約数和(自身を除く): 11823519

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4159, 4959, 12477, 37431, 79021, 120611, 237063, 361833, 711189, 1085499, 2291609, 6874827, 20624481]

約数ペア:

[(1, 20624481), (3, 6874827), (9, 2291609), (19, 1085499), (29, 711189), (57, 361833), (87, 237063), (171, 120611), (261, 79021), (551, 37431), (1653, 12477), (4159, 4959)]