20663328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 62826624

約数和(自身を除く): 42163296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 97, 112, 168, 194, 224, 291, 317, 336, 388, 582, 634, 672, 679, 776, 951, 1164, 1268, 1358, 1552, 1902, 2037, 2219, 2328, 2536, 2716, 3104, 3804, 4074, 4438, 4656, 5072, 5432, 6657, 7608, 8148, 8876, 9312, 10144, 10864, 13314, 15216, 16296, 17752, 21728, 26628, 30432, 30749, 32592, 35504, 53256, 61498, 65184, 71008, 92247, 106512, 122996, 184494, 213024, 215243, 245992, 368988, 430486, 491984, 645729, 737976, 860972, 983968, 1291458, 1475952, 1721944, 2582916, 2951904, 3443888, 5165832, 6887776, 10331664, 20663328]

約数ペア:

[(1, 20663328), (2, 10331664), (3, 6887776), (4, 5165832), (6, 3443888), (7, 2951904), (8, 2582916), (12, 1721944), (14, 1475952), (16, 1291458), (21, 983968), (24, 860972), (28, 737976), (32, 645729), (42, 491984), (48, 430486), (56, 368988), (84, 245992), (96, 215243), (97, 213024), (112, 184494), (168, 122996), (194, 106512), (224, 92247), (291, 71008), (317, 65184), (336, 61498), (388, 53256), (582, 35504), (634, 32592), (672, 30749), (679, 30432), (776, 26628), (951, 21728), (1164, 17752), (1268, 16296), (1358, 15216), (1552, 13314), (1902, 10864), (2037, 10144), (2219, 9312), (2328, 8876), (2536, 8148), (2716, 7608), (3104, 6657), (3804, 5432), (4074, 5072), (4438, 4656)]