20199425120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{57991}}^1$

素因数の和:58324

約数の個数: 96

約数和(自身を含む): 54714756096

約数和(自身を除く): 34515330976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 311, 560, 622, 1120, 1244, 1555, 2177, 2488, 3110, 4354, 4976, 6220, 8708, 9952, 10885, 12440, 17416, 21770, 24880, 34832, 43540, 49760, 57991, 69664, 87080, 115982, 174160, 231964, 289955, 348320, 405937, 463928, 579910, 811874, 927856, 1159820, 1623748, 1855712, 2029685, 2319640, 3247496, 4059370, 4639280, 6494992, 8118740, 9278560, 12989984, 16237480, 18035201, 32474960, 36070402, 64949920, 72140804, 90176005, 126246407, 144281608, 180352010, 252492814, 288563216, 360704020, 504985628, 577126432, 631232035, 721408040, 1009971256, 1262464070, 1442816080, 2019942512, 2524928140, 2885632160, 4039885024, 5049856280, 10099712560, 20199425120]

約数ペア:

[(1, 20199425120), (2, 10099712560), (4, 5049856280), (5, 4039885024), (7, 2885632160), (8, 2524928140), (10, 2019942512), (14, 1442816080), (16, 1262464070), (20, 1009971256), (28, 721408040), (32, 631232035), (35, 577126432), (40, 504985628), (56, 360704020), (70, 288563216), (80, 252492814), (112, 180352010), (140, 144281608), (160, 126246407), (224, 90176005), (280, 72140804), (311, 64949920), (560, 36070402), (622, 32474960), (1120, 18035201), (1244, 16237480), (1555, 12989984), (2177, 9278560), (2488, 8118740), (3110, 6494992), (4354, 4639280), (4976, 4059370), (6220, 3247496), (8708, 2319640), (9952, 2029685), (10885, 1855712), (12440, 1623748), (17416, 1159820), (21770, 927856), (24880, 811874), (34832, 579910), (43540, 463928), (49760, 405937), (57991, 348320), (69664, 289955), (87080, 231964), (115982, 174160)]