20136780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111871}}^1$

素因数の和:111886

約数の個数: 36

約数和(自身を含む): 61082112

約数和(自身を除く): 40945332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111871, 223742, 335613, 447484, 559355, 671226, 1006839, 1118710, 1342452, 1678065, 2013678, 2237420, 3356130, 4027356, 5034195, 6712260, 10068390, 20136780]

約数ペア:

[(1, 20136780), (2, 10068390), (3, 6712260), (4, 5034195), (5, 4027356), (6, 3356130), (9, 2237420), (10, 2013678), (12, 1678065), (15, 1342452), (18, 1118710), (20, 1006839), (30, 671226), (36, 559355), (45, 447484), (60, 335613), (90, 223742), (180, 111871)]