20354950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 50139648

約数和(自身を除く): 29784698

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 154, 170, 175, 187, 238, 275, 311, 350, 374, 385, 425, 550, 595, 622, 770, 850, 935, 1190, 1309, 1555, 1870, 1925, 2177, 2618, 2975, 3110, 3421, 3850, 4354, 4675, 5287, 5950, 6545, 6842, 7775, 9350, 10574, 10885, 13090, 15550, 17105, 21770, 23947, 26435, 32725, 34210, 37009, 47894, 52870, 54425, 58157, 65450, 74018, 85525, 108850, 116314, 119735, 132175, 171050, 185045, 239470, 264350, 290785, 370090, 407099, 581570, 598675, 814198, 925225, 1197350, 1453925, 1850450, 2035495, 2907850, 4070990, 10177475, 20354950]

約数ペア:

[(1, 20354950), (2, 10177475), (5, 4070990), (7, 2907850), (10, 2035495), (11, 1850450), (14, 1453925), (17, 1197350), (22, 925225), (25, 814198), (34, 598675), (35, 581570), (50, 407099), (55, 370090), (70, 290785), (77, 264350), (85, 239470), (110, 185045), (119, 171050), (154, 132175), (170, 119735), (175, 116314), (187, 108850), (238, 85525), (275, 74018), (311, 65450), (350, 58157), (374, 54425), (385, 52870), (425, 47894), (550, 37009), (595, 34210), (622, 32725), (770, 26435), (850, 23947), (935, 21770), (1190, 17105), (1309, 15550), (1555, 13090), (1870, 10885), (1925, 10574), (2177, 9350), (2618, 7775), (2975, 6842), (3110, 6545), (3421, 5950), (3850, 5287), (4354, 4675)]