20111958736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{1489}}^1$

素因数の和:1956

約数の個数: 80

約数和(自身を含む): 41452753600

約数和(自身を除く): 21340794864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 283, 304, 314, 566, 628, 1132, 1256, 1489, 2264, 2512, 2978, 2983, 4528, 5377, 5956, 5966, 10754, 11912, 11932, 21508, 23824, 23864, 28291, 43016, 44431, 47728, 56582, 86032, 88862, 113164, 177724, 226328, 233773, 355448, 421387, 452656, 467546, 710896, 842774, 844189, 935092, 1685548, 1688378, 1870184, 3371096, 3376756, 3740368, 4441687, 6742192, 6753512, 8006353, 8883374, 13507024, 16012706, 17766748, 32025412, 35533496, 64050824, 66157759, 71066992, 128101648, 132315518, 264631036, 529262072, 1058524144, 1256997421, 2513994842, 5027989684, 10055979368, 20111958736]

約数ペア:

[(1, 20111958736), (2, 10055979368), (4, 5027989684), (8, 2513994842), (16, 1256997421), (19, 1058524144), (38, 529262072), (76, 264631036), (152, 132315518), (157, 128101648), (283, 71066992), (304, 66157759), (314, 64050824), (566, 35533496), (628, 32025412), (1132, 17766748), (1256, 16012706), (1489, 13507024), (2264, 8883374), (2512, 8006353), (2978, 6753512), (2983, 6742192), (4528, 4441687), (5377, 3740368), (5956, 3376756), (5966, 3371096), (10754, 1870184), (11912, 1688378), (11932, 1685548), (21508, 935092), (23824, 844189), (23864, 842774), (28291, 710896), (43016, 467546), (44431, 452656), (47728, 421387), (56582, 355448), (86032, 233773), (88862, 226328), (113164, 177724)]