20818944

素因数分解:

$2^{10}\times 3^4\times {\mathrm{251}}^1$

素因数の和:283

約数の個数: 110

約数和(自身を含む): 62417124

約数和(自身を除く): 41598180

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 251, 256, 288, 324, 384, 432, 502, 512, 576, 648, 753, 768, 864, 1004, 1024, 1152, 1296, 1506, 1536, 1728, 2008, 2259, 2304, 2592, 3012, 3072, 3456, 4016, 4518, 4608, 5184, 6024, 6777, 6912, 8032, 9036, 9216, 10368, 12048, 13554, 13824, 16064, 18072, 20331, 20736, 24096, 27108, 27648, 32128, 36144, 40662, 41472, 48192, 54216, 64256, 72288, 81324, 82944, 96384, 108432, 128512, 144576, 162648, 192768, 216864, 257024, 289152, 325296, 385536, 433728, 578304, 650592, 771072, 867456, 1156608, 1301184, 1734912, 2313216, 2602368, 3469824, 5204736, 6939648, 10409472, 20818944]

約数ペア:

[(1, 20818944), (2, 10409472), (3, 6939648), (4, 5204736), (6, 3469824), (8, 2602368), (9, 2313216), (12, 1734912), (16, 1301184), (18, 1156608), (24, 867456), (27, 771072), (32, 650592), (36, 578304), (48, 433728), (54, 385536), (64, 325296), (72, 289152), (81, 257024), (96, 216864), (108, 192768), (128, 162648), (144, 144576), (162, 128512), (192, 108432), (216, 96384), (251, 82944), (256, 81324), (288, 72288), (324, 64256), (384, 54216), (432, 48192), (502, 41472), (512, 40662), (576, 36144), (648, 32128), (753, 27648), (768, 27108), (864, 24096), (1004, 20736), (1024, 20331), (1152, 18072), (1296, 16064), (1506, 13824), (1536, 13554), (1728, 12048), (2008, 10368), (2259, 9216), (2304, 9036), (2592, 8032), (3012, 6912), (3072, 6777), (3456, 6024), (4016, 5184), (4518, 4608)]