20123093783

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1\times {\mathrm{3253}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 23970473856

約数和(自身を除く): 3847380073

約数列:

[1, 13, 17, 23, 221, 299, 391, 1217, 3253, 5083, 15821, 20689, 27991, 42289, 55301, 74819, 268957, 363883, 475847, 718913, 972647, 1271923, 3958901, 6186011, 16534999, 51465713, 67301317, 91054723, 874917121, 1183711399, 1547930291, 20123093783]

約数ペア:

[(1, 20123093783), (13, 1547930291), (17, 1183711399), (23, 874917121), (221, 91054723), (299, 67301317), (391, 51465713), (1217, 16534999), (3253, 6186011), (5083, 3958901), (15821, 1271923), (20689, 972647), (27991, 718913), (42289, 475847), (55301, 363883), (74819, 268957)]