20348523442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{42863}}^1$

素因数の和:42959

約数の個数: 48

約数和(自身を含む): 35753719680

約数和(自身を除く): 15405196238

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 961, 1178, 1922, 7657, 12493, 15314, 18259, 24986, 36518, 42863, 85726, 237367, 474734, 557219, 814397, 1114438, 1328753, 1628794, 2657506, 10587161, 17273789, 21174322, 25246307, 34547578, 41191343, 50492614, 82382686, 328201991, 535487459, 656403982, 782635517, 1070974918, 1565271034, 10174261721, 20348523442]

約数ペア:

[(1, 20348523442), (2, 10174261721), (13, 1565271034), (19, 1070974918), (26, 782635517), (31, 656403982), (38, 535487459), (62, 328201991), (247, 82382686), (403, 50492614), (494, 41191343), (589, 34547578), (806, 25246307), (961, 21174322), (1178, 17273789), (1922, 10587161), (7657, 2657506), (12493, 1628794), (15314, 1328753), (18259, 1114438), (24986, 814397), (36518, 557219), (42863, 474734), (85726, 237367)]