20783451712

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{20149}}^1$

素因数の和:20459

約数の個数: 56

約数和(自身を含む): 42009364800

約数和(自身を除く): 21225913088

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 227, 284, 454, 568, 908, 1136, 1816, 2272, 3632, 4544, 7264, 14528, 16117, 20149, 32234, 40298, 64468, 80596, 128936, 161192, 257872, 322384, 515744, 644768, 1031488, 1289536, 1430579, 2861158, 4573823, 5722316, 9147646, 11444632, 18295292, 22889264, 36590584, 45778528, 73181168, 91557056, 146362336, 292724672, 324741433, 649482866, 1298965732, 2597931464, 5195862928, 10391725856, 20783451712]

約数ペア:

[(1, 20783451712), (2, 10391725856), (4, 5195862928), (8, 2597931464), (16, 1298965732), (32, 649482866), (64, 324741433), (71, 292724672), (142, 146362336), (227, 91557056), (284, 73181168), (454, 45778528), (568, 36590584), (908, 22889264), (1136, 18295292), (1816, 11444632), (2272, 9147646), (3632, 5722316), (4544, 4573823), (7264, 2861158), (14528, 1430579), (16117, 1289536), (20149, 1031488), (32234, 644768), (40298, 515744), (64468, 322384), (80596, 257872), (128936, 161192)]