20589456

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 55853568

約数和(自身を除く): 35264112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 101, 124, 137, 186, 202, 248, 274, 303, 372, 404, 411, 496, 548, 606, 744, 808, 822, 1096, 1212, 1488, 1616, 1644, 2192, 2424, 3131, 3288, 4247, 4848, 6262, 6576, 8494, 9393, 12524, 12741, 13837, 16988, 18786, 25048, 25482, 27674, 33976, 37572, 41511, 50096, 50964, 55348, 67952, 75144, 83022, 101928, 110696, 150288, 166044, 203856, 221392, 332088, 428947, 664176, 857894, 1286841, 1715788, 2573682, 3431576, 5147364, 6863152, 10294728, 20589456]

約数ペア:

[(1, 20589456), (2, 10294728), (3, 6863152), (4, 5147364), (6, 3431576), (8, 2573682), (12, 1715788), (16, 1286841), (24, 857894), (31, 664176), (48, 428947), (62, 332088), (93, 221392), (101, 203856), (124, 166044), (137, 150288), (186, 110696), (202, 101928), (248, 83022), (274, 75144), (303, 67952), (372, 55348), (404, 50964), (411, 50096), (496, 41511), (548, 37572), (606, 33976), (744, 27674), (808, 25482), (822, 25048), (1096, 18786), (1212, 16988), (1488, 13837), (1616, 12741), (1644, 12524), (2192, 9393), (2424, 8494), (3131, 6576), (3288, 6262), (4247, 4848)]