20202682720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{17107}}^1$

素因数の和:17205

約数の個数: 144

約数和(自身を含む): 53325430704

約数和(自身を除く): 33122747984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 121, 122, 160, 176, 220, 242, 244, 305, 352, 440, 484, 488, 605, 610, 671, 880, 968, 976, 1210, 1220, 1342, 1760, 1936, 1952, 2420, 2440, 2684, 3355, 3872, 4840, 4880, 5368, 6710, 7381, 9680, 9760, 10736, 13420, 14762, 17107, 19360, 21472, 26840, 29524, 34214, 36905, 53680, 59048, 68428, 73810, 85535, 107360, 118096, 136856, 147620, 171070, 188177, 236192, 273712, 295240, 342140, 376354, 547424, 590480, 684280, 752708, 940885, 1043527, 1180960, 1368560, 1505416, 1881770, 2069947, 2087054, 2737120, 3010832, 3763540, 4139894, 4174108, 5217635, 6021664, 7527080, 8279788, 8348216, 10349735, 10435270, 11478797, 15054160, 16559576, 16696432, 20699470, 20870540, 22957594, 30108320, 33119152, 33392864, 41398940, 41741080, 45915188, 57393985, 66238304, 82797880, 83482160, 91830376, 114787970, 126266767, 165595760, 166964320, 183660752, 229575940, 252533534, 331191520, 367321504, 459151880, 505067068, 631333835, 918303760, 1010134136, 1262667670, 1836607520, 2020268272, 2525335340, 4040536544, 5050670680, 10101341360, 20202682720]

約数ペア:

[(1, 20202682720), (2, 10101341360), (4, 5050670680), (5, 4040536544), (8, 2525335340), (10, 2020268272), (11, 1836607520), (16, 1262667670), (20, 1010134136), (22, 918303760), (32, 631333835), (40, 505067068), (44, 459151880), (55, 367321504), (61, 331191520), (80, 252533534), (88, 229575940), (110, 183660752), (121, 166964320), (122, 165595760), (160, 126266767), (176, 114787970), (220, 91830376), (242, 83482160), (244, 82797880), (305, 66238304), (352, 57393985), (440, 45915188), (484, 41741080), (488, 41398940), (605, 33392864), (610, 33119152), (671, 30108320), (880, 22957594), (968, 20870540), (976, 20699470), (1210, 16696432), (1220, 16559576), (1342, 15054160), (1760, 11478797), (1936, 10435270), (1952, 10349735), (2420, 8348216), (2440, 8279788), (2684, 7527080), (3355, 6021664), (3872, 5217635), (4840, 4174108), (4880, 4139894), (5368, 3763540), (6710, 3010832), (7381, 2737120), (9680, 2087054), (9760, 2069947), (10736, 1881770), (13420, 1505416), (14762, 1368560), (17107, 1180960), (19360, 1043527), (21472, 940885), (26840, 752708), (29524, 684280), (34214, 590480), (36905, 547424), (53680, 376354), (59048, 342140), (68428, 295240), (73810, 273712), (85535, 236192), (107360, 188177), (118096, 171070), (136856, 147620)]