20477856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 96

約数和(自身を含む): 63479808

約数和(自身を除く): 43001952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 983, 992, 1302, 1488, 1736, 1966, 2604, 2949, 2976, 3472, 3932, 5208, 5898, 6881, 6944, 7864, 10416, 11796, 13762, 15728, 20643, 20832, 23592, 27524, 30473, 31456, 41286, 47184, 55048, 60946, 82572, 91419, 94368, 110096, 121892, 165144, 182838, 213311, 220192, 243784, 330288, 365676, 426622, 487568, 639933, 660576, 731352, 853244, 975136, 1279866, 1462704, 1706488, 2559732, 2925408, 3412976, 5119464, 6825952, 10238928, 20477856]

約数ペア:

[(1, 20477856), (2, 10238928), (3, 6825952), (4, 5119464), (6, 3412976), (7, 2925408), (8, 2559732), (12, 1706488), (14, 1462704), (16, 1279866), (21, 975136), (24, 853244), (28, 731352), (31, 660576), (32, 639933), (42, 487568), (48, 426622), (56, 365676), (62, 330288), (84, 243784), (93, 220192), (96, 213311), (112, 182838), (124, 165144), (168, 121892), (186, 110096), (217, 94368), (224, 91419), (248, 82572), (336, 60946), (372, 55048), (434, 47184), (496, 41286), (651, 31456), (672, 30473), (744, 27524), (868, 23592), (983, 20832), (992, 20643), (1302, 15728), (1488, 13762), (1736, 11796), (1966, 10416), (2604, 7864), (2949, 6944), (2976, 6881), (3472, 5898), (3932, 5208)]