2019356620

素因数分解:

$2^2\times 5^1\times {\mathrm{20771}}^1\times {\mathrm{4861}}^1$

素因数の和:25641

約数の個数: 24

約数和(自身を含む): 4241725488

約数和(自身を除く): 2222368868

約数列:

[1, 2, 4, 5, 10, 20, 4861, 9722, 19444, 20771, 24305, 41542, 48610, 83084, 97220, 103855, 207710, 415420, 100967831, 201935662, 403871324, 504839155, 1009678310, 2019356620]

約数ペア:

[(1, 2019356620), (2, 1009678310), (4, 504839155), (5, 403871324), (10, 201935662), (20, 100967831), (4861, 415420), (9722, 207710), (19444, 103855), (20771, 97220), (24305, 83084), (41542, 48610)]