20012608

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 112

約数和(自身を含む): 51499008

約数和(自身を除く): 31486400

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 131, 154, 176, 217, 224, 248, 262, 308, 341, 352, 434, 448, 496, 524, 616, 682, 704, 868, 917, 992, 1048, 1232, 1364, 1441, 1736, 1834, 1984, 2096, 2387, 2464, 2728, 2882, 3472, 3668, 4061, 4192, 4774, 4928, 5456, 5764, 6944, 7336, 8122, 8384, 9548, 10087, 10912, 11528, 13888, 14672, 16244, 19096, 20174, 21824, 23056, 28427, 29344, 32488, 38192, 40348, 44671, 46112, 56854, 58688, 64976, 76384, 80696, 89342, 92224, 113708, 129952, 152768, 161392, 178684, 227416, 259904, 312697, 322784, 357368, 454832, 625394, 645568, 714736, 909664, 1250788, 1429472, 1819328, 2501576, 2858944, 5003152, 10006304, 20012608]

約数ペア:

[(1, 20012608), (2, 10006304), (4, 5003152), (7, 2858944), (8, 2501576), (11, 1819328), (14, 1429472), (16, 1250788), (22, 909664), (28, 714736), (31, 645568), (32, 625394), (44, 454832), (56, 357368), (62, 322784), (64, 312697), (77, 259904), (88, 227416), (112, 178684), (124, 161392), (131, 152768), (154, 129952), (176, 113708), (217, 92224), (224, 89342), (248, 80696), (262, 76384), (308, 64976), (341, 58688), (352, 56854), (434, 46112), (448, 44671), (496, 40348), (524, 38192), (616, 32488), (682, 29344), (704, 28427), (868, 23056), (917, 21824), (992, 20174), (1048, 19096), (1232, 16244), (1364, 14672), (1441, 13888), (1736, 11528), (1834, 10912), (1984, 10087), (2096, 9548), (2387, 8384), (2464, 8122), (2728, 7336), (2882, 6944), (3472, 5764), (3668, 5456), (4061, 4928), (4192, 4774)]