20644416

素因数分解:

$2^6\times 3^3\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:953

約数の個数: 112

約数和(自身を含む): 65430400

約数和(自身を除く): 44785984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 144, 156, 192, 208, 216, 234, 288, 312, 351, 416, 432, 468, 576, 624, 702, 832, 864, 919, 936, 1248, 1404, 1728, 1838, 1872, 2496, 2757, 2808, 3676, 3744, 5514, 5616, 7352, 7488, 8271, 11028, 11232, 11947, 14704, 16542, 22056, 22464, 23894, 24813, 29408, 33084, 35841, 44112, 47788, 49626, 58816, 66168, 71682, 88224, 95576, 99252, 107523, 132336, 143364, 176448, 191152, 198504, 215046, 264672, 286728, 322569, 382304, 397008, 430092, 529344, 573456, 645138, 764608, 794016, 860184, 1146912, 1290276, 1588032, 1720368, 2293824, 2580552, 3440736, 5161104, 6881472, 10322208, 20644416]

約数ペア:

[(1, 20644416), (2, 10322208), (3, 6881472), (4, 5161104), (6, 3440736), (8, 2580552), (9, 2293824), (12, 1720368), (13, 1588032), (16, 1290276), (18, 1146912), (24, 860184), (26, 794016), (27, 764608), (32, 645138), (36, 573456), (39, 529344), (48, 430092), (52, 397008), (54, 382304), (64, 322569), (72, 286728), (78, 264672), (96, 215046), (104, 198504), (108, 191152), (117, 176448), (144, 143364), (156, 132336), (192, 107523), (208, 99252), (216, 95576), (234, 88224), (288, 71682), (312, 66168), (351, 58816), (416, 49626), (432, 47788), (468, 44112), (576, 35841), (624, 33084), (702, 29408), (832, 24813), (864, 23894), (919, 22464), (936, 22056), (1248, 16542), (1404, 14704), (1728, 11947), (1838, 11232), (1872, 11028), (2496, 8271), (2757, 7488), (2808, 7352), (3676, 5616), (3744, 5514)]