20456664

素因数分解:

$2^3\times 3^1\times {\mathrm{811}}^1\times {\mathrm{1051}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 51253440

約数和(自身を除く): 30796776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 811, 1051, 1622, 2102, 2433, 3153, 3244, 4204, 4866, 6306, 6488, 8408, 9732, 12612, 19464, 25224, 852361, 1704722, 2557083, 3409444, 5114166, 6818888, 10228332, 20456664]

約数ペア:

[(1, 20456664), (2, 10228332), (3, 6818888), (4, 5114166), (6, 3409444), (8, 2557083), (12, 1704722), (24, 852361), (811, 25224), (1051, 19464), (1622, 12612), (2102, 9732), (2433, 8408), (3153, 6488), (3244, 6306), (4204, 4866)]