20802983994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{157907}}^1$

素因数の和:158491

約数の個数: 48

約数和(自身を含む): 48626821152

約数和(自身を除く): 27823837158

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 563, 1126, 1689, 3378, 5067, 7319, 10134, 14638, 21957, 43914, 65871, 131742, 157907, 315814, 473721, 947442, 1421163, 2052791, 2842326, 4105582, 6158373, 12316746, 18475119, 36950238, 88901641, 177803282, 266704923, 533409846, 800114769, 1155721333, 1600229538, 2311442666, 3467163999, 6934327998, 10401491997, 20802983994]

約数ペア:

[(1, 20802983994), (2, 10401491997), (3, 6934327998), (6, 3467163999), (9, 2311442666), (13, 1600229538), (18, 1155721333), (26, 800114769), (39, 533409846), (78, 266704923), (117, 177803282), (234, 88901641), (563, 36950238), (1126, 18475119), (1689, 12316746), (3378, 6158373), (5067, 4105582), (7319, 2842326), (10134, 2052791), (14638, 1421163), (21957, 947442), (43914, 473721), (65871, 315814), (131742, 157907)]