20517997680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{558769}}^1$

素因数の和:558808

約数の個数: 160

約数和(自身を含む): 74830478400

約数和(自身を除く): 54312480720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 7344, 9180, 12240, 18360, 36720, 558769, 1117538, 1676307, 2235076, 2793845, 3352614, 4470152, 5028921, 5587690, 6705228, 8381535, 8940304, 9499073, 10057842, 11175380, 13410456, 15086763, 16763070, 18998146, 20115684, 22350760, 25144605, 26820912, 28497219, 30173526, 33526140, 37996292, 40231368, 44701520, 47495365, 50289210, 56994438, 60347052, 67052280, 75433815, 75992584, 80462736, 85491657, 94990730, 100578420, 113988876, 120694104, 134104560, 142486095, 150867630, 151985168, 170983314, 189981460, 201156840, 227977752, 241388208, 256474971, 284972190, 301735260, 341966628, 379962920, 402313680, 427458285, 455955504, 512949942, 569944380, 603470520, 683933256, 759925840, 854916570, 1025899884, 1139888760, 1206941040, 1282374855, 1367866512, 1709833140, 2051799768, 2279777520, 2564749710, 3419666280, 4103599536, 5129499420, 6839332560, 10258998840, 20517997680]

約数ペア:

[(1, 20517997680), (2, 10258998840), (3, 6839332560), (4, 5129499420), (5, 4103599536), (6, 3419666280), (8, 2564749710), (9, 2279777520), (10, 2051799768), (12, 1709833140), (15, 1367866512), (16, 1282374855), (17, 1206941040), (18, 1139888760), (20, 1025899884), (24, 854916570), (27, 759925840), (30, 683933256), (34, 603470520), (36, 569944380), (40, 512949942), (45, 455955504), (48, 427458285), (51, 402313680), (54, 379962920), (60, 341966628), (68, 301735260), (72, 284972190), (80, 256474971), (85, 241388208), (90, 227977752), (102, 201156840), (108, 189981460), (120, 170983314), (135, 151985168), (136, 150867630), (144, 142486095), (153, 134104560), (170, 120694104), (180, 113988876), (204, 100578420), (216, 94990730), (240, 85491657), (255, 80462736), (270, 75992584), (272, 75433815), (306, 67052280), (340, 60347052), (360, 56994438), (408, 50289210), (432, 47495365), (459, 44701520), (510, 40231368), (540, 37996292), (612, 33526140), (680, 30173526), (720, 28497219), (765, 26820912), (816, 25144605), (918, 22350760), (1020, 20115684), (1080, 18998146), (1224, 16763070), (1360, 15086763), (1530, 13410456), (1836, 11175380), (2040, 10057842), (2160, 9499073), (2295, 8940304), (2448, 8381535), (3060, 6705228), (3672, 5587690), (4080, 5028921), (4590, 4470152), (6120, 3352614), (7344, 2793845), (9180, 2235076), (12240, 1676307), (18360, 1117538), (36720, 558769)]