20186407878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{859801}}^1$

素因数の和:859869

約数の個数: 64

約数和(自身を含む): 50845251072

約数和(自身を除く): 30658843194

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 903, 1118, 1677, 1806, 3354, 3913, 7826, 11739, 23478, 859801, 1719602, 2579403, 5158806, 6018607, 11177413, 12037214, 18055821, 22354826, 33532239, 36111642, 36971443, 67064478, 73942886, 78241891, 110914329, 156483782, 221828658, 234725673, 258800101, 469451346, 480628759, 517600202, 776400303, 961257518, 1441886277, 1552800606, 2883772554, 3364401313, 6728802626, 10093203939, 20186407878]

約数ペア:

[(1, 20186407878), (2, 10093203939), (3, 6728802626), (6, 3364401313), (7, 2883772554), (13, 1552800606), (14, 1441886277), (21, 961257518), (26, 776400303), (39, 517600202), (42, 480628759), (43, 469451346), (78, 258800101), (86, 234725673), (91, 221828658), (129, 156483782), (182, 110914329), (258, 78241891), (273, 73942886), (301, 67064478), (546, 36971443), (559, 36111642), (602, 33532239), (903, 22354826), (1118, 18055821), (1677, 12037214), (1806, 11177413), (3354, 6018607), (3913, 5158806), (7826, 2579403), (11739, 1719602), (23478, 859801)]