20083420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{859}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 48545280

約数和(自身を除く): 28461860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 859, 1169, 1670, 1718, 2338, 3340, 3436, 4295, 4676, 5845, 6013, 8590, 11690, 12026, 17180, 23380, 24052, 30065, 60130, 120260, 143453, 286906, 573812, 717265, 1004171, 1434530, 2008342, 2869060, 4016684, 5020855, 10041710, 20083420]

約数ペア:

[(1, 20083420), (2, 10041710), (4, 5020855), (5, 4016684), (7, 2869060), (10, 2008342), (14, 1434530), (20, 1004171), (28, 717265), (35, 573812), (70, 286906), (140, 143453), (167, 120260), (334, 60130), (668, 30065), (835, 24052), (859, 23380), (1169, 17180), (1670, 12026), (1718, 11690), (2338, 8590), (3340, 6013), (3436, 5845), (4295, 4676)]