2009279620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2450341}}^1$

素因数の和:2450391

約数の個数: 24

約数和(自身を含む): 4322403288

約数和(自身を除く): 2313123668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2450341, 4900682, 9801364, 12251705, 24503410, 49006820, 100463981, 200927962, 401855924, 502319905, 1004639810, 2009279620]

約数ペア:

[(1, 2009279620), (2, 1004639810), (4, 502319905), (5, 401855924), (10, 200927962), (20, 100463981), (41, 49006820), (82, 24503410), (164, 12251705), (205, 9801364), (410, 4900682), (820, 2450341)]