20199756405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79214731}}^1$

素因数の和:79214756

約数の個数: 16

約数和(自身を含む): 34220764224

約数和(自身を除く): 14021007819

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79214731, 237644193, 396073655, 1188220965, 1346650427, 4039951281, 6733252135, 20199756405]

約数ペア:

[(1, 20199756405), (3, 6733252135), (5, 4039951281), (15, 1346650427), (17, 1188220965), (51, 396073655), (85, 237644193), (255, 79214731)]