20996651808

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^2\times {\mathrm{602521}}^1$

素因数の和:602559

約数の個数: 108

約数和(自身を含む): 65630913894

約数和(自身を除く): 44634262086

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 121, 132, 144, 176, 198, 242, 264, 288, 352, 363, 396, 484, 528, 726, 792, 968, 1056, 1089, 1452, 1584, 1936, 2178, 2904, 3168, 3872, 4356, 5808, 8712, 11616, 17424, 34848, 602521, 1205042, 1807563, 2410084, 3615126, 4820168, 5422689, 6627731, 7230252, 9640336, 10845378, 13255462, 14460504, 19280672, 19883193, 21690756, 26510924, 28921008, 39766386, 43381512, 53021848, 57842016, 59649579, 72905041, 79532772, 86763024, 106043696, 119299158, 145810082, 159065544, 173526048, 212087392, 218715123, 238598316, 291620164, 318131088, 437430246, 477196632, 583240328, 636262176, 656145369, 874860492, 954393264, 1166480656, 1312290738, 1749720984, 1908786528, 2332961312, 2624581476, 3499441968, 5249162952, 6998883936, 10498325904, 20996651808]

約数ペア:

[(1, 20996651808), (2, 10498325904), (3, 6998883936), (4, 5249162952), (6, 3499441968), (8, 2624581476), (9, 2332961312), (11, 1908786528), (12, 1749720984), (16, 1312290738), (18, 1166480656), (22, 954393264), (24, 874860492), (32, 656145369), (33, 636262176), (36, 583240328), (44, 477196632), (48, 437430246), (66, 318131088), (72, 291620164), (88, 238598316), (96, 218715123), (99, 212087392), (121, 173526048), (132, 159065544), (144, 145810082), (176, 119299158), (198, 106043696), (242, 86763024), (264, 79532772), (288, 72905041), (352, 59649579), (363, 57842016), (396, 53021848), (484, 43381512), (528, 39766386), (726, 28921008), (792, 26510924), (968, 21690756), (1056, 19883193), (1089, 19280672), (1452, 14460504), (1584, 13255462), (1936, 10845378), (2178, 9640336), (2904, 7230252), (3168, 6627731), (3872, 5422689), (4356, 4820168), (5808, 3615126), (8712, 2410084), (11616, 1807563), (17424, 1205042), (34848, 602521)]