20178229084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{992437}}^1$

素因数の和:992494

約数の個数: 48

約数和(自身を含む): 42015855168

約数和(自身を除く): 21837626084

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 1196, 1564, 5083, 10166, 20332, 992437, 1984874, 3969748, 12901681, 16871429, 22826051, 25803362, 33742858, 45652102, 51606724, 67485716, 91304204, 219328577, 296738663, 388042867, 438657154, 593477326, 776085734, 877314308, 1186954652, 1552171468, 5044557271, 10089114542, 20178229084]

約数ペア:

[(1, 20178229084), (2, 10089114542), (4, 5044557271), (13, 1552171468), (17, 1186954652), (23, 877314308), (26, 776085734), (34, 593477326), (46, 438657154), (52, 388042867), (68, 296738663), (92, 219328577), (221, 91304204), (299, 67485716), (391, 51606724), (442, 45652102), (598, 33742858), (782, 25803362), (884, 22826051), (1196, 16871429), (1564, 12901681), (5083, 3969748), (10166, 1984874), (20332, 992437)]