20665296

素因数分解:

$2^4\times 3^2\times {\mathrm{143509}}^1$

素因数の和:143523

約数の個数: 30

約数和(自身を含む): 57834530

約数和(自身を除く): 37169234

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 143509, 287018, 430527, 574036, 861054, 1148072, 1291581, 1722108, 2296144, 2583162, 3444216, 5166324, 6888432, 10332648, 20665296]

約数ペア:

[(1, 20665296), (2, 10332648), (3, 6888432), (4, 5166324), (6, 3444216), (8, 2583162), (9, 2296144), (12, 1722108), (16, 1291581), (18, 1148072), (24, 861054), (36, 574036), (48, 430527), (72, 287018), (144, 143509)]