20558710

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7817}}^1$

素因数の和:8087

約数の個数: 16

約数和(自身を含む): 37151136

約数和(自身を除く): 16592426

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 7817, 15634, 39085, 78170, 2055871, 4111742, 10279355, 20558710]

約数ペア:

[(1, 20558710), (2, 10279355), (5, 4111742), (10, 2055871), (263, 78170), (526, 39085), (1315, 15634), (2630, 7817)]