20219441440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{25933}}^1$

素因数の和:26402

約数の個数: 96

約数和(自身を含む): 52230661056

約数和(自身を除く): 32011219616

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 443, 880, 886, 1760, 1772, 2215, 3544, 4430, 4873, 7088, 8860, 9746, 14176, 17720, 19492, 24365, 25933, 35440, 38984, 48730, 51866, 70880, 77968, 97460, 103732, 129665, 155936, 194920, 207464, 259330, 285263, 389840, 414928, 518660, 570526, 779680, 829856, 1037320, 1141052, 1426315, 2074640, 2282104, 2852630, 4149280, 4564208, 5705260, 9128416, 11410520, 11488319, 22821040, 22976638, 45642080, 45953276, 57441595, 91906552, 114883190, 126371509, 183813104, 229766380, 252743018, 367626208, 459532760, 505486036, 631857545, 919065520, 1010972072, 1263715090, 1838131040, 2021944144, 2527430180, 4043888288, 5054860360, 10109720720, 20219441440]

約数ペア:

[(1, 20219441440), (2, 10109720720), (4, 5054860360), (5, 4043888288), (8, 2527430180), (10, 2021944144), (11, 1838131040), (16, 1263715090), (20, 1010972072), (22, 919065520), (32, 631857545), (40, 505486036), (44, 459532760), (55, 367626208), (80, 252743018), (88, 229766380), (110, 183813104), (160, 126371509), (176, 114883190), (220, 91906552), (352, 57441595), (440, 45953276), (443, 45642080), (880, 22976638), (886, 22821040), (1760, 11488319), (1772, 11410520), (2215, 9128416), (3544, 5705260), (4430, 4564208), (4873, 4149280), (7088, 2852630), (8860, 2282104), (9746, 2074640), (14176, 1426315), (17720, 1141052), (19492, 1037320), (24365, 829856), (25933, 779680), (35440, 570526), (38984, 518660), (48730, 414928), (51866, 389840), (70880, 285263), (77968, 259330), (97460, 207464), (103732, 194920), (129665, 155936)]