20216647542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{861089}}^1$

素因数の和:861157

約数の個数: 64

約数和(自身を含む): 50921418240

約数和(自身を除く): 30704770698

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, 861089, 1722178, 2583267, 5166534, 6027623, 11194157, 12055246, 18082869, 22388314, 33582471, 36165738, 37026827, 67164942, 74053654, 78359099, 111080481, 156718198, 222160962, 235077297, 259187789, 470154594, 481348751, 518375578, 777563367, 962697502, 1444046253, 1555126734, 2888092506, 3369441257, 6738882514, 10108323771, 20216647542]

約数ペア:

[(1, 20216647542), (2, 10108323771), (3, 6738882514), (6, 3369441257), (7, 2888092506), (13, 1555126734), (14, 1444046253), (21, 962697502), (26, 777563367), (39, 518375578), (42, 481348751), (43, 470154594), (78, 259187789), (86, 235077297), (91, 222160962), (129, 156718198), (182, 111080481), (258, 78359099), (273, 74053654), (301, 67164942), (546, 37026827), (559, 36165738), (602, 33582471), (903, 22388314), (1118, 18082869), (1677, 12055246), (1806, 11194157), (3354, 6027623), (3913, 5166534), (7826, 2583267), (11739, 1722178), (23478, 861089)]