20138082237

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179479}}^1$

素因数の和:179642

約数の個数: 48

約数和(自身を含む): 36062557440

約数和(自身を除く): 15924475203

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 273, 411, 819, 959, 1233, 1781, 2877, 5343, 8631, 12467, 16029, 37401, 112203, 179479, 538437, 1256353, 1615311, 2333227, 3769059, 6999681, 11307177, 16332589, 20999043, 24588623, 48997767, 73765869, 146993301, 172120361, 221297607, 319652099, 516361083, 958956297, 1549083249, 2237564693, 2876868891, 6712694079, 20138082237]

約数ペア:

[(1, 20138082237), (3, 6712694079), (7, 2876868891), (9, 2237564693), (13, 1549083249), (21, 958956297), (39, 516361083), (63, 319652099), (91, 221297607), (117, 172120361), (137, 146993301), (273, 73765869), (411, 48997767), (819, 24588623), (959, 20999043), (1233, 16332589), (1781, 11307177), (2877, 6999681), (5343, 3769059), (8631, 2333227), (12467, 1615311), (16029, 1256353), (37401, 538437), (112203, 179479)]