20512083680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{314989}}^1$

素因数の和:315052

約数の個数: 96

約数和(自身を含む): 54294196320

約数和(自身を除く): 33782112640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 352, 370, 407, 440, 592, 740, 814, 880, 1184, 1480, 1628, 1760, 2035, 2960, 3256, 4070, 5920, 6512, 8140, 13024, 16280, 32560, 65120, 314989, 629978, 1259956, 1574945, 2519912, 3149890, 3464879, 5039824, 6299780, 6929758, 10079648, 11654593, 12599560, 13859516, 17324395, 23309186, 25199120, 27719032, 34648790, 46618372, 50398240, 55438064, 58272965, 69297580, 93236744, 110876128, 116545930, 128200523, 138595160, 186473488, 233091860, 256401046, 277190320, 372946976, 466183720, 512802092, 554380640, 641002615, 932367440, 1025604184, 1282005230, 1864734880, 2051208368, 2564010460, 4102416736, 5128020920, 10256041840, 20512083680]

約数ペア:

[(1, 20512083680), (2, 10256041840), (4, 5128020920), (5, 4102416736), (8, 2564010460), (10, 2051208368), (11, 1864734880), (16, 1282005230), (20, 1025604184), (22, 932367440), (32, 641002615), (37, 554380640), (40, 512802092), (44, 466183720), (55, 372946976), (74, 277190320), (80, 256401046), (88, 233091860), (110, 186473488), (148, 138595160), (160, 128200523), (176, 116545930), (185, 110876128), (220, 93236744), (296, 69297580), (352, 58272965), (370, 55438064), (407, 50398240), (440, 46618372), (592, 34648790), (740, 27719032), (814, 25199120), (880, 23309186), (1184, 17324395), (1480, 13859516), (1628, 12599560), (1760, 11654593), (2035, 10079648), (2960, 6929758), (3256, 6299780), (4070, 5039824), (5920, 3464879), (6512, 3149890), (8140, 2519912), (13024, 1574945), (16280, 1259956), (32560, 629978), (65120, 314989)]