20423040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:1000

約数の個数: 128

約数和(自身を含む): 71089920

約数和(自身を除く): 50666880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 967, 1056, 1320, 1408, 1760, 1920, 1934, 2112, 2640, 2901, 3520, 3868, 4224, 4835, 5280, 5802, 7040, 7736, 9670, 10560, 10637, 11604, 14505, 15472, 19340, 21120, 21274, 23208, 29010, 30944, 31911, 38680, 42548, 46416, 53185, 58020, 61888, 63822, 77360, 85096, 92832, 106370, 116040, 123776, 127644, 154720, 159555, 170192, 185664, 212740, 232080, 255288, 309440, 319110, 340384, 371328, 425480, 464160, 510576, 618880, 638220, 680768, 850960, 928320, 1021152, 1276440, 1361536, 1701920, 1856640, 2042304, 2552880, 3403840, 4084608, 5105760, 6807680, 10211520, 20423040]

約数ペア:

[(1, 20423040), (2, 10211520), (3, 6807680), (4, 5105760), (5, 4084608), (6, 3403840), (8, 2552880), (10, 2042304), (11, 1856640), (12, 1701920), (15, 1361536), (16, 1276440), (20, 1021152), (22, 928320), (24, 850960), (30, 680768), (32, 638220), (33, 618880), (40, 510576), (44, 464160), (48, 425480), (55, 371328), (60, 340384), (64, 319110), (66, 309440), (80, 255288), (88, 232080), (96, 212740), (110, 185664), (120, 170192), (128, 159555), (132, 154720), (160, 127644), (165, 123776), (176, 116040), (192, 106370), (220, 92832), (240, 85096), (264, 77360), (320, 63822), (330, 61888), (352, 58020), (384, 53185), (440, 46416), (480, 42548), (528, 38680), (640, 31911), (660, 30944), (704, 29010), (880, 23208), (960, 21274), (967, 21120), (1056, 19340), (1320, 15472), (1408, 14505), (1760, 11604), (1920, 10637), (1934, 10560), (2112, 9670), (2640, 7736), (2901, 7040), (3520, 5802), (3868, 5280), (4224, 4835)]