20483760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7759}}^1$

素因数の和:7786

約数の個数: 80

約数和(自身を含む): 69281280

約数和(自身を除く): 48797520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7759, 15518, 23277, 31036, 38795, 46554, 62072, 77590, 85349, 93108, 116385, 124144, 155180, 170698, 186216, 232770, 256047, 310360, 341396, 372432, 426745, 465540, 512094, 620720, 682792, 853490, 931080, 1024188, 1280235, 1365584, 1706980, 1862160, 2048376, 2560470, 3413960, 4096752, 5120940, 6827920, 10241880, 20483760]

約数ペア:

[(1, 20483760), (2, 10241880), (3, 6827920), (4, 5120940), (5, 4096752), (6, 3413960), (8, 2560470), (10, 2048376), (11, 1862160), (12, 1706980), (15, 1365584), (16, 1280235), (20, 1024188), (22, 931080), (24, 853490), (30, 682792), (33, 620720), (40, 512094), (44, 465540), (48, 426745), (55, 372432), (60, 341396), (66, 310360), (80, 256047), (88, 232770), (110, 186216), (120, 170698), (132, 155180), (165, 124144), (176, 116385), (220, 93108), (240, 85349), (264, 77590), (330, 62072), (440, 46554), (528, 38795), (660, 31036), (880, 23277), (1320, 15518), (2640, 7759)]