20473336

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 43810200

約数和(自身を除く): 23336864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 797, 988, 1352, 1594, 1976, 3188, 3211, 6376, 6422, 10361, 12844, 15143, 20722, 25688, 30286, 41444, 60572, 82888, 121144, 134693, 196859, 269386, 393718, 538772, 787436, 1077544, 1574872, 2559167, 5118334, 10236668, 20473336]

約数ペア:

[(1, 20473336), (2, 10236668), (4, 5118334), (8, 2559167), (13, 1574872), (19, 1077544), (26, 787436), (38, 538772), (52, 393718), (76, 269386), (104, 196859), (152, 134693), (169, 121144), (247, 82888), (338, 60572), (494, 41444), (676, 30286), (797, 25688), (988, 20722), (1352, 15143), (1594, 12844), (1976, 10361), (3188, 6422), (3211, 6376)]