20691497640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{922081}}^1$

素因数の和:922123

約数の個数: 128

約数和(自身を含む): 71701096320

約数和(自身を除く): 51009598680

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, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440, 922081, 1844162, 2766243, 3688324, 4610405, 5532486, 7376648, 9220810, 10142891, 11064972, 13831215, 15675377, 18441620, 20285782, 22129944, 27662430, 30428673, 31350754, 36883240, 40571564, 47026131, 50714455, 55324860, 60857346, 62701508, 78376885, 81143128, 94052262, 101428910, 110649720, 121714692, 125403016, 152143365, 156753770, 172429147, 188104524, 202857820, 235130655, 243429384, 304286730, 313507540, 344858294, 376209048, 405715640, 470261310, 517287441, 608573460, 627015080, 689716588, 862145735, 940522620, 1034574882, 1217146920, 1379433176, 1724291470, 1881045240, 2069149764, 2586437205, 3448582940, 4138299528, 5172874410, 6897165880, 10345748820, 20691497640]

約数ペア:

[(1, 20691497640), (2, 10345748820), (3, 6897165880), (4, 5172874410), (5, 4138299528), (6, 3448582940), (8, 2586437205), (10, 2069149764), (11, 1881045240), (12, 1724291470), (15, 1379433176), (17, 1217146920), (20, 1034574882), (22, 940522620), (24, 862145735), (30, 689716588), (33, 627015080), (34, 608573460), (40, 517287441), (44, 470261310), (51, 405715640), (55, 376209048), (60, 344858294), (66, 313507540), (68, 304286730), (85, 243429384), (88, 235130655), (102, 202857820), (110, 188104524), (120, 172429147), (132, 156753770), (136, 152143365), (165, 125403016), (170, 121714692), (187, 110649720), (204, 101428910), (220, 94052262), (255, 81143128), (264, 78376885), (330, 62701508), (340, 60857346), (374, 55324860), (408, 50714455), (440, 47026131), (510, 40571564), (561, 36883240), (660, 31350754), (680, 30428673), (748, 27662430), (935, 22129944), (1020, 20285782), (1122, 18441620), (1320, 15675377), (1496, 13831215), (1870, 11064972), (2040, 10142891), (2244, 9220810), (2805, 7376648), (3740, 5532486), (4488, 4610405), (5610, 3688324), (7480, 2766243), (11220, 1844162), (22440, 922081)]