20643984

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:974

約数の個数: 100

約数和(自身を含む): 63331884

約数和(自身を除く): 42687900

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 272, 306, 324, 408, 432, 459, 612, 648, 816, 918, 937, 1224, 1296, 1377, 1836, 1874, 2448, 2754, 2811, 3672, 3748, 5508, 5622, 7344, 7496, 8433, 11016, 11244, 14992, 15929, 16866, 22032, 22488, 25299, 31858, 33732, 44976, 47787, 50598, 63716, 67464, 75897, 95574, 101196, 127432, 134928, 143361, 151794, 191148, 202392, 254864, 286722, 303588, 382296, 404784, 430083, 573444, 607176, 764592, 860166, 1146888, 1214352, 1290249, 1720332, 2293776, 2580498, 3440664, 5160996, 6881328, 10321992, 20643984]

約数ペア:

[(1, 20643984), (2, 10321992), (3, 6881328), (4, 5160996), (6, 3440664), (8, 2580498), (9, 2293776), (12, 1720332), (16, 1290249), (17, 1214352), (18, 1146888), (24, 860166), (27, 764592), (34, 607176), (36, 573444), (48, 430083), (51, 404784), (54, 382296), (68, 303588), (72, 286722), (81, 254864), (102, 202392), (108, 191148), (136, 151794), (144, 143361), (153, 134928), (162, 127432), (204, 101196), (216, 95574), (272, 75897), (306, 67464), (324, 63716), (408, 50598), (432, 47787), (459, 44976), (612, 33732), (648, 31858), (816, 25299), (918, 22488), (937, 22032), (1224, 16866), (1296, 15929), (1377, 14992), (1836, 11244), (1874, 11016), (2448, 8433), (2754, 7496), (2811, 7344), (3672, 5622), (3748, 5508)]