20007727828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{83267}}^1$

素因数の和:83452

約数の個数: 48

約数和(自身を含む): 39393091584

約数和(自身を除く): 19385363756

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 127, 172, 254, 473, 508, 946, 1397, 1892, 2794, 5461, 5588, 10922, 21844, 60071, 83267, 120142, 166534, 240284, 333068, 915937, 1831874, 3580481, 3663748, 7160962, 10574909, 14321924, 21149818, 39385291, 42299636, 78770582, 116323999, 157541164, 232647998, 454721087, 465295996, 909442174, 1818884348, 5001931957, 10003863914, 20007727828]

約数ペア:

[(1, 20007727828), (2, 10003863914), (4, 5001931957), (11, 1818884348), (22, 909442174), (43, 465295996), (44, 454721087), (86, 232647998), (127, 157541164), (172, 116323999), (254, 78770582), (473, 42299636), (508, 39385291), (946, 21149818), (1397, 14321924), (1892, 10574909), (2794, 7160962), (5461, 3663748), (5588, 3580481), (10922, 1831874), (21844, 915937), (60071, 333068), (83267, 240284), (120142, 166534)]