20193800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 52362720

約数和(自身を除く): 32168920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 67, 88, 100, 110, 134, 137, 200, 220, 268, 274, 275, 335, 440, 536, 548, 550, 670, 685, 737, 1096, 1100, 1340, 1370, 1474, 1507, 1675, 2200, 2680, 2740, 2948, 3014, 3350, 3425, 3685, 5480, 5896, 6028, 6700, 6850, 7370, 7535, 9179, 12056, 13400, 13700, 14740, 15070, 18358, 18425, 27400, 29480, 30140, 36716, 36850, 37675, 45895, 60280, 73432, 73700, 75350, 91790, 100969, 147400, 150700, 183580, 201938, 229475, 301400, 367160, 403876, 458950, 504845, 807752, 917900, 1009690, 1835800, 2019380, 2524225, 4038760, 5048450, 10096900, 20193800]

約数ペア:

[(1, 20193800), (2, 10096900), (4, 5048450), (5, 4038760), (8, 2524225), (10, 2019380), (11, 1835800), (20, 1009690), (22, 917900), (25, 807752), (40, 504845), (44, 458950), (50, 403876), (55, 367160), (67, 301400), (88, 229475), (100, 201938), (110, 183580), (134, 150700), (137, 147400), (200, 100969), (220, 91790), (268, 75350), (274, 73700), (275, 73432), (335, 60280), (440, 45895), (536, 37675), (548, 36850), (550, 36716), (670, 30140), (685, 29480), (737, 27400), (1096, 18425), (1100, 18358), (1340, 15070), (1370, 14740), (1474, 13700), (1507, 13400), (1675, 12056), (2200, 9179), (2680, 7535), (2740, 7370), (2948, 6850), (3014, 6700), (3350, 6028), (3425, 5896), (3685, 5480)]