20465069040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{728813}}^1$

素因数の和:728848

約数の個数: 160

約数和(自身を含む): 75913266240

約数和(自身を除く): 55448197200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 728813, 1457626, 2186439, 2915252, 3644065, 4372878, 5830504, 6559317, 7288130, 8745756, 9474569, 10932195, 11661008, 13118634, 14576260, 17491512, 18949138, 19677951, 21864390, 26237268, 28423707, 29152520, 32796585, 34983024, 37898276, 39355902, 43728780, 47372845, 52474536, 56847414, 58305040, 65593170, 75796552, 78711804, 85271121, 87457560, 94745690, 98389755, 104949072, 113694828, 131186340, 142118535, 151593104, 157423608, 170542242, 174915120, 189491380, 196779510, 227389656, 255813363, 262372680, 284237070, 314847216, 341084484, 378982760, 393559020, 426355605, 454779312, 511626726, 524745360, 568474140, 682168968, 757965520, 787118040, 852711210, 1023253452, 1136948280, 1279066815, 1364337936, 1574236080, 1705422420, 2046506904, 2273896560, 2558133630, 3410844840, 4093013808, 5116267260, 6821689680, 10232534520, 20465069040]

約数ペア:

[(1, 20465069040), (2, 10232534520), (3, 6821689680), (4, 5116267260), (5, 4093013808), (6, 3410844840), (8, 2558133630), (9, 2273896560), (10, 2046506904), (12, 1705422420), (13, 1574236080), (15, 1364337936), (16, 1279066815), (18, 1136948280), (20, 1023253452), (24, 852711210), (26, 787118040), (27, 757965520), (30, 682168968), (36, 568474140), (39, 524745360), (40, 511626726), (45, 454779312), (48, 426355605), (52, 393559020), (54, 378982760), (60, 341084484), (65, 314847216), (72, 284237070), (78, 262372680), (80, 255813363), (90, 227389656), (104, 196779510), (108, 189491380), (117, 174915120), (120, 170542242), (130, 157423608), (135, 151593104), (144, 142118535), (156, 131186340), (180, 113694828), (195, 104949072), (208, 98389755), (216, 94745690), (234, 87457560), (240, 85271121), (260, 78711804), (270, 75796552), (312, 65593170), (351, 58305040), (360, 56847414), (390, 52474536), (432, 47372845), (468, 43728780), (520, 39355902), (540, 37898276), (585, 34983024), (624, 32796585), (702, 29152520), (720, 28423707), (780, 26237268), (936, 21864390), (1040, 19677951), (1080, 18949138), (1170, 17491512), (1404, 14576260), (1560, 13118634), (1755, 11661008), (1872, 10932195), (2160, 9474569), (2340, 8745756), (2808, 7288130), (3120, 6559317), (3510, 5830504), (4680, 4372878), (5616, 3644065), (7020, 2915252), (9360, 2186439), (14040, 1457626), (28080, 728813)]