20519382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{523}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 44368128

約数和(自身を除く): 23848746

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 503, 523, 1006, 1046, 1509, 1569, 3018, 3138, 6539, 6799, 13078, 13598, 19617, 20397, 39234, 40794, 263069, 526138, 789207, 1578414, 3419897, 6839794, 10259691, 20519382]

約数ペア:

[(1, 20519382), (2, 10259691), (3, 6839794), (6, 3419897), (13, 1578414), (26, 789207), (39, 526138), (78, 263069), (503, 40794), (523, 39234), (1006, 20397), (1046, 19617), (1509, 13598), (1569, 13078), (3018, 6799), (3138, 6539)]