20217534960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{79697}}^1$

素因数の和:79871

約数の個数: 160

約数和(自身を含む): 72103099392

約数和(自身を除く): 51885564432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 151, 168, 210, 240, 280, 302, 336, 420, 453, 560, 604, 755, 840, 906, 1057, 1208, 1510, 1680, 1812, 2114, 2265, 2416, 3020, 3171, 3624, 4228, 4530, 5285, 6040, 6342, 7248, 8456, 9060, 10570, 12080, 12684, 15855, 16912, 18120, 21140, 25368, 31710, 36240, 42280, 50736, 63420, 79697, 84560, 126840, 159394, 239091, 253680, 318788, 398485, 478182, 557879, 637576, 796970, 956364, 1115758, 1195455, 1275152, 1593940, 1673637, 1912728, 2231516, 2390910, 2789395, 3187880, 3347274, 3825456, 4463032, 4781820, 5578790, 6375760, 6694548, 8368185, 8926064, 9563640, 11157580, 12034247, 13389096, 16736370, 19127280, 22315160, 24068494, 26778192, 33472740, 36102741, 44630320, 48136988, 60171235, 66945480, 72205482, 84239729, 96273976, 120342470, 133890960, 144410964, 168479458, 180513705, 192547952, 240684940, 252719187, 288821928, 336958916, 361027410, 421198645, 481369880, 505438374, 577643856, 673917832, 722054820, 842397290, 962739760, 1010876748, 1263595935, 1347835664, 1444109640, 1684794580, 2021753496, 2527191870, 2888219280, 3369589160, 4043506992, 5054383740, 6739178320, 10108767480, 20217534960]

約数ペア:

[(1, 20217534960), (2, 10108767480), (3, 6739178320), (4, 5054383740), (5, 4043506992), (6, 3369589160), (7, 2888219280), (8, 2527191870), (10, 2021753496), (12, 1684794580), (14, 1444109640), (15, 1347835664), (16, 1263595935), (20, 1010876748), (21, 962739760), (24, 842397290), (28, 722054820), (30, 673917832), (35, 577643856), (40, 505438374), (42, 481369880), (48, 421198645), (56, 361027410), (60, 336958916), (70, 288821928), (80, 252719187), (84, 240684940), (105, 192547952), (112, 180513705), (120, 168479458), (140, 144410964), (151, 133890960), (168, 120342470), (210, 96273976), (240, 84239729), (280, 72205482), (302, 66945480), (336, 60171235), (420, 48136988), (453, 44630320), (560, 36102741), (604, 33472740), (755, 26778192), (840, 24068494), (906, 22315160), (1057, 19127280), (1208, 16736370), (1510, 13389096), (1680, 12034247), (1812, 11157580), (2114, 9563640), (2265, 8926064), (2416, 8368185), (3020, 6694548), (3171, 6375760), (3624, 5578790), (4228, 4781820), (4530, 4463032), (5285, 3825456), (6040, 3347274), (6342, 3187880), (7248, 2789395), (8456, 2390910), (9060, 2231516), (10570, 1912728), (12080, 1673637), (12684, 1593940), (15855, 1275152), (16912, 1195455), (18120, 1115758), (21140, 956364), (25368, 796970), (31710, 637576), (36240, 557879), (42280, 478182), (50736, 398485), (63420, 318788), (79697, 253680), (84560, 239091), (126840, 159394)]