20353080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 70606080

約数和(自身を除く): 50253000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 907, 935, 1020, 1122, 1320, 1496, 1814, 1870, 2040, 2244, 2721, 2805, 3628, 3740, 4488, 4535, 5442, 5610, 7256, 7480, 9070, 9977, 10884, 11220, 13605, 15419, 18140, 19954, 21768, 22440, 27210, 29931, 30838, 36280, 39908, 46257, 49885, 54420, 59862, 61676, 77095, 79816, 92514, 99770, 108840, 119724, 123352, 149655, 154190, 169609, 185028, 199540, 231285, 239448, 299310, 308380, 339218, 370056, 399080, 462570, 508827, 598620, 616760, 678436, 848045, 925140, 1017654, 1197240, 1356872, 1696090, 1850280, 2035308, 2544135, 3392180, 4070616, 5088270, 6784360, 10176540, 20353080]

約数ペア:

[(1, 20353080), (2, 10176540), (3, 6784360), (4, 5088270), (5, 4070616), (6, 3392180), (8, 2544135), (10, 2035308), (11, 1850280), (12, 1696090), (15, 1356872), (17, 1197240), (20, 1017654), (22, 925140), (24, 848045), (30, 678436), (33, 616760), (34, 598620), (40, 508827), (44, 462570), (51, 399080), (55, 370056), (60, 339218), (66, 308380), (68, 299310), (85, 239448), (88, 231285), (102, 199540), (110, 185028), (120, 169609), (132, 154190), (136, 149655), (165, 123352), (170, 119724), (187, 108840), (204, 99770), (220, 92514), (255, 79816), (264, 77095), (330, 61676), (340, 59862), (374, 54420), (408, 49885), (440, 46257), (510, 39908), (561, 36280), (660, 30838), (680, 29931), (748, 27210), (907, 22440), (935, 21768), (1020, 19954), (1122, 18140), (1320, 15419), (1496, 13605), (1814, 11220), (1870, 10884), (2040, 9977), (2244, 9070), (2721, 7480), (2805, 7256), (3628, 5610), (3740, 5442), (4488, 4535)]