20195856

素因数分解:

$2^4\times 3^2\times {\mathrm{140249}}^1$

素因数の和:140263

約数の個数: 30

約数和(自身を含む): 56520750

約数和(自身を除く): 36324894

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140249, 280498, 420747, 560996, 841494, 1121992, 1262241, 1682988, 2243984, 2524482, 3365976, 5048964, 6731952, 10097928, 20195856]

約数ペア:

[(1, 20195856), (2, 10097928), (3, 6731952), (4, 5048964), (6, 3365976), (8, 2524482), (9, 2243984), (12, 1682988), (16, 1262241), (18, 1121992), (24, 841494), (36, 560996), (48, 420747), (72, 280498), (144, 140249)]