20121076580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{53267}}^1$

素因数の和:53405

約数の個数: 96

約数和(自身を含む): 49291224192

約数和(自身を除く): 29170147612

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 101, 110, 170, 187, 202, 220, 340, 374, 404, 505, 748, 935, 1010, 1111, 1717, 1870, 2020, 2222, 3434, 3740, 4444, 5555, 6868, 8585, 11110, 17170, 18887, 22220, 34340, 37774, 53267, 75548, 94435, 106534, 188870, 213068, 266335, 377740, 532670, 585937, 905539, 1065340, 1171874, 1811078, 2343748, 2929685, 3622156, 4527695, 5379967, 5859370, 9055390, 9960929, 10759934, 11718740, 18110780, 19921858, 21519868, 26899835, 39843716, 49804645, 53799670, 59179637, 91459439, 99609290, 107599340, 118359274, 182918878, 199218580, 236718548, 295898185, 365837756, 457297195, 591796370, 914594390, 1006053829, 1183592740, 1829188780, 2012107658, 4024215316, 5030269145, 10060538290, 20121076580]

約数ペア:

[(1, 20121076580), (2, 10060538290), (4, 5030269145), (5, 4024215316), (10, 2012107658), (11, 1829188780), (17, 1183592740), (20, 1006053829), (22, 914594390), (34, 591796370), (44, 457297195), (55, 365837756), (68, 295898185), (85, 236718548), (101, 199218580), (110, 182918878), (170, 118359274), (187, 107599340), (202, 99609290), (220, 91459439), (340, 59179637), (374, 53799670), (404, 49804645), (505, 39843716), (748, 26899835), (935, 21519868), (1010, 19921858), (1111, 18110780), (1717, 11718740), (1870, 10759934), (2020, 9960929), (2222, 9055390), (3434, 5859370), (3740, 5379967), (4444, 4527695), (5555, 3622156), (6868, 2929685), (8585, 2343748), (11110, 1811078), (17170, 1171874), (18887, 1065340), (22220, 905539), (34340, 585937), (37774, 532670), (53267, 377740), (75548, 266335), (94435, 213068), (106534, 188870)]