20840256

素因数分解:

$2^6\times 3^2\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 84

約数和(自身を含む): 60512452

約数和(自身を除く): 39672196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 97, 144, 192, 194, 288, 291, 373, 388, 576, 582, 746, 776, 873, 1119, 1164, 1492, 1552, 1746, 2238, 2328, 2984, 3104, 3357, 3492, 4476, 4656, 5968, 6208, 6714, 6984, 8952, 9312, 11936, 13428, 13968, 17904, 18624, 23872, 26856, 27936, 35808, 36181, 53712, 55872, 71616, 72362, 107424, 108543, 144724, 214848, 217086, 289448, 325629, 434172, 578896, 651258, 868344, 1157792, 1302516, 1736688, 2315584, 2605032, 3473376, 5210064, 6946752, 10420128, 20840256]

約数ペア:

[(1, 20840256), (2, 10420128), (3, 6946752), (4, 5210064), (6, 3473376), (8, 2605032), (9, 2315584), (12, 1736688), (16, 1302516), (18, 1157792), (24, 868344), (32, 651258), (36, 578896), (48, 434172), (64, 325629), (72, 289448), (96, 217086), (97, 214848), (144, 144724), (192, 108543), (194, 107424), (288, 72362), (291, 71616), (373, 55872), (388, 53712), (576, 36181), (582, 35808), (746, 27936), (776, 26856), (873, 23872), (1119, 18624), (1164, 17904), (1492, 13968), (1552, 13428), (1746, 11936), (2238, 9312), (2328, 8952), (2984, 6984), (3104, 6714), (3357, 6208), (3492, 5968), (4476, 4656)]