20163120188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{10177}}^1$

素因数の和:10530

約数の個数: 48

約数和(自身を含む): 37617888000

約数和(自身を除く): 17454767812

約数列:

[1, 2, 4, 19, 38, 76, 131, 199, 262, 398, 524, 796, 2489, 3781, 4978, 7562, 9956, 10177, 15124, 20354, 26069, 40708, 52138, 104276, 193363, 386726, 495311, 773452, 990622, 1333187, 1981244, 2025223, 2666374, 4050446, 5332748, 8100892, 25330553, 38479237, 50661106, 76958474, 101322212, 153916948, 265304213, 530608426, 1061216852, 5040780047, 10081560094, 20163120188]

約数ペア:

[(1, 20163120188), (2, 10081560094), (4, 5040780047), (19, 1061216852), (38, 530608426), (76, 265304213), (131, 153916948), (199, 101322212), (262, 76958474), (398, 50661106), (524, 38479237), (796, 25330553), (2489, 8100892), (3781, 5332748), (4978, 4050446), (7562, 2666374), (9956, 2025223), (10177, 1981244), (15124, 1333187), (20354, 990622), (26069, 773452), (40708, 495311), (52138, 386726), (104276, 193363)]