20751647904

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^2\times {\mathrm{15791}}^1$

素因数の和:15842

約数の個数: 216

約数和(自身を含む): 66272012352

約数和(自身を除く): 45520364448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 169, 208, 216, 234, 243, 288, 312, 324, 338, 351, 416, 432, 468, 486, 507, 624, 648, 676, 702, 864, 936, 972, 1014, 1053, 1248, 1296, 1352, 1404, 1521, 1872, 1944, 2028, 2106, 2592, 2704, 2808, 3042, 3159, 3744, 3888, 4056, 4212, 4563, 5408, 5616, 6084, 6318, 7776, 8112, 8424, 9126, 11232, 12168, 12636, 13689, 15791, 16224, 16848, 18252, 24336, 25272, 27378, 31582, 33696, 36504, 41067, 47373, 48672, 50544, 54756, 63164, 73008, 82134, 94746, 101088, 109512, 126328, 142119, 146016, 164268, 189492, 205283, 219024, 252656, 284238, 328536, 378984, 410566, 426357, 438048, 505312, 568476, 615849, 657072, 757968, 821132, 852714, 1136952, 1231698, 1279071, 1314144, 1515936, 1642264, 1705428, 1847547, 2273904, 2463396, 2558142, 2668679, 3284528, 3410856, 3695094, 3837213, 4547808, 4926792, 5116284, 5337358, 5542641, 6569056, 6821712, 7390188, 7674426, 8006037, 9853584, 10232568, 10674716, 11085282, 13643424, 14780376, 15348852, 16012074, 16627923, 19707168, 20465136, 21349432, 22170564, 24018111, 29560752, 30697704, 32024148, 33255846, 40930272, 42698864, 44341128, 48036222, 49883769, 59121504, 61395408, 64048296, 66511692, 72054333, 85397728, 88682256, 96072444, 99767538, 122790816, 128096592, 133023384, 144108666, 177364512, 192144888, 199535076, 216162999, 256193184, 266046768, 288217332, 384289776, 399070152, 432325998, 532093536, 576434664, 648488997, 768579552, 798140304, 864651996, 1152869328, 1296977994, 1596280608, 1729303992, 2305738656, 2593955988, 3458607984, 5187911976, 6917215968, 10375823952, 20751647904]

約数ペア:

[(1, 20751647904), (2, 10375823952), (3, 6917215968), (4, 5187911976), (6, 3458607984), (8, 2593955988), (9, 2305738656), (12, 1729303992), (13, 1596280608), (16, 1296977994), (18, 1152869328), (24, 864651996), (26, 798140304), (27, 768579552), (32, 648488997), (36, 576434664), (39, 532093536), (48, 432325998), (52, 399070152), (54, 384289776), (72, 288217332), (78, 266046768), (81, 256193184), (96, 216162999), (104, 199535076), (108, 192144888), (117, 177364512), (144, 144108666), (156, 133023384), (162, 128096592), (169, 122790816), (208, 99767538), (216, 96072444), (234, 88682256), (243, 85397728), (288, 72054333), (312, 66511692), (324, 64048296), (338, 61395408), (351, 59121504), (416, 49883769), (432, 48036222), (468, 44341128), (486, 42698864), (507, 40930272), (624, 33255846), (648, 32024148), (676, 30697704), (702, 29560752), (864, 24018111), (936, 22170564), (972, 21349432), (1014, 20465136), (1053, 19707168), (1248, 16627923), (1296, 16012074), (1352, 15348852), (1404, 14780376), (1521, 13643424), (1872, 11085282), (1944, 10674716), (2028, 10232568), (2106, 9853584), (2592, 8006037), (2704, 7674426), (2808, 7390188), (3042, 6821712), (3159, 6569056), (3744, 5542641), (3888, 5337358), (4056, 5116284), (4212, 4926792), (4563, 4547808), (5408, 3837213), (5616, 3695094), (6084, 3410856), (6318, 3284528), (7776, 2668679), (8112, 2558142), (8424, 2463396), (9126, 2273904), (11232, 1847547), (12168, 1705428), (12636, 1642264), (13689, 1515936), (15791, 1314144), (16224, 1279071), (16848, 1231698), (18252, 1136952), (24336, 852714), (25272, 821132), (27378, 757968), (31582, 657072), (33696, 615849), (36504, 568476), (41067, 505312), (47373, 438048), (48672, 426357), (50544, 410566), (54756, 378984), (63164, 328536), (73008, 284238), (82134, 252656), (94746, 219024), (101088, 205283), (109512, 189492), (126328, 164268), (142119, 146016)]