19926860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14033}}^1$

素因数の和:14113

約数の個数: 24

約数和(自身を含む): 42438816

約数和(自身を除く): 22511956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14033, 28066, 56132, 70165, 140330, 280660, 996343, 1992686, 3985372, 4981715, 9963430, 19926860]

約数ペア:

[(1, 19926860), (2, 9963430), (4, 4981715), (5, 3985372), (10, 1992686), (20, 996343), (71, 280660), (142, 140330), (284, 70165), (355, 56132), (710, 28066), (1420, 14033)]