2019937720

素因数分解:

$2^3\times 5^1\times {\mathrm{10453}}^1\times {\mathrm{4831}}^1$

素因数の和:15295

約数の個数: 32

約数和(自身を含む): 4546235520

約数和(自身を除く): 2526297800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4831, 9662, 10453, 19324, 20906, 24155, 38648, 41812, 48310, 52265, 83624, 96620, 104530, 193240, 209060, 418120, 50498443, 100996886, 201993772, 252492215, 403987544, 504984430, 1009968860, 2019937720]

約数ペア:

[(1, 2019937720), (2, 1009968860), (4, 504984430), (5, 403987544), (8, 252492215), (10, 201993772), (20, 100996886), (40, 50498443), (4831, 418120), (9662, 209060), (10453, 193240), (19324, 104530), (20906, 96620), (24155, 83624), (38648, 52265), (41812, 48310)]