20463456

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40500384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 416, 456, 494, 608, 624, 741, 863, 912, 988, 1248, 1482, 1726, 1824, 1976, 2589, 2964, 3452, 3952, 5178, 5928, 6904, 7904, 10356, 11219, 11856, 13808, 16397, 20712, 22438, 23712, 27616, 32794, 33657, 41424, 44876, 49191, 65588, 67314, 82848, 89752, 98382, 131176, 134628, 179504, 196764, 213161, 262352, 269256, 359008, 393528, 426322, 524704, 538512, 639483, 787056, 852644, 1077024, 1278966, 1574112, 1705288, 2557932, 3410576, 5115864, 6821152, 10231728, 20463456]

約数ペア:

[(1, 20463456), (2, 10231728), (3, 6821152), (4, 5115864), (6, 3410576), (8, 2557932), (12, 1705288), (13, 1574112), (16, 1278966), (19, 1077024), (24, 852644), (26, 787056), (32, 639483), (38, 538512), (39, 524704), (48, 426322), (52, 393528), (57, 359008), (76, 269256), (78, 262352), (96, 213161), (104, 196764), (114, 179504), (152, 134628), (156, 131176), (208, 98382), (228, 89752), (247, 82848), (304, 67314), (312, 65588), (416, 49191), (456, 44876), (494, 41424), (608, 33657), (624, 32794), (741, 27616), (863, 23712), (912, 22438), (988, 20712), (1248, 16397), (1482, 13808), (1726, 11856), (1824, 11219), (1976, 10356), (2589, 7904), (2964, 6904), (3452, 5928), (3952, 5178)]