20484646

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 38606400

約数和(自身を除く): 18121754

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2297, 4459, 4594, 8918, 16079, 29861, 32158, 59722, 112553, 209027, 225106, 418054, 787871, 1463189, 1575742, 2926378, 10242323, 20484646]

約数ペア:

[(1, 20484646), (2, 10242323), (7, 2926378), (13, 1575742), (14, 1463189), (26, 787871), (49, 418054), (91, 225106), (98, 209027), (182, 112553), (343, 59722), (637, 32158), (686, 29861), (1274, 16079), (2297, 8918), (4459, 4594)]