20956992

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:556

約数の個数: 112

約数和(自身を含む): 65544192

約数和(自身を除く): 44587200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 503, 651, 672, 744, 868, 992, 1006, 1302, 1344, 1488, 1509, 1736, 1984, 2012, 2604, 2976, 3018, 3472, 3521, 4024, 5208, 5952, 6036, 6944, 7042, 8048, 10416, 10563, 12072, 13888, 14084, 15593, 16096, 20832, 21126, 24144, 28168, 31186, 32192, 41664, 42252, 46779, 48288, 56336, 62372, 84504, 93558, 96576, 109151, 112672, 124744, 169008, 187116, 218302, 225344, 249488, 327453, 338016, 374232, 436604, 498976, 654906, 676032, 748464, 873208, 997952, 1309812, 1496928, 1746416, 2619624, 2993856, 3492832, 5239248, 6985664, 10478496, 20956992]

約数ペア:

[(1, 20956992), (2, 10478496), (3, 6985664), (4, 5239248), (6, 3492832), (7, 2993856), (8, 2619624), (12, 1746416), (14, 1496928), (16, 1309812), (21, 997952), (24, 873208), (28, 748464), (31, 676032), (32, 654906), (42, 498976), (48, 436604), (56, 374232), (62, 338016), (64, 327453), (84, 249488), (93, 225344), (96, 218302), (112, 187116), (124, 169008), (168, 124744), (186, 112672), (192, 109151), (217, 96576), (224, 93558), (248, 84504), (336, 62372), (372, 56336), (434, 48288), (448, 46779), (496, 42252), (503, 41664), (651, 32192), (672, 31186), (744, 28168), (868, 24144), (992, 21126), (1006, 20832), (1302, 16096), (1344, 15593), (1488, 14084), (1509, 13888), (1736, 12072), (1984, 10563), (2012, 10416), (2604, 8048), (2976, 7042), (3018, 6944), (3472, 6036), (3521, 5952), (4024, 5208)]