20627200

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 55887048

約数和(自身を除く): 35259848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 293, 320, 352, 400, 440, 550, 586, 640, 704, 800, 880, 1100, 1172, 1280, 1408, 1465, 1600, 1760, 2200, 2344, 2816, 2930, 3200, 3223, 3520, 4400, 4688, 5860, 6400, 6446, 7040, 7325, 8800, 9376, 11720, 12892, 14080, 14650, 16115, 17600, 18752, 23440, 25784, 29300, 32230, 35200, 37504, 46880, 51568, 58600, 64460, 70400, 75008, 80575, 93760, 103136, 117200, 128920, 161150, 187520, 206272, 234400, 257840, 322300, 375040, 412544, 468800, 515680, 644600, 825088, 937600, 1031360, 1289200, 1875200, 2062720, 2578400, 4125440, 5156800, 10313600, 20627200]

約数ペア:

[(1, 20627200), (2, 10313600), (4, 5156800), (5, 4125440), (8, 2578400), (10, 2062720), (11, 1875200), (16, 1289200), (20, 1031360), (22, 937600), (25, 825088), (32, 644600), (40, 515680), (44, 468800), (50, 412544), (55, 375040), (64, 322300), (80, 257840), (88, 234400), (100, 206272), (110, 187520), (128, 161150), (160, 128920), (176, 117200), (200, 103136), (220, 93760), (256, 80575), (275, 75008), (293, 70400), (320, 64460), (352, 58600), (400, 51568), (440, 46880), (550, 37504), (586, 35200), (640, 32230), (704, 29300), (800, 25784), (880, 23440), (1100, 18752), (1172, 17600), (1280, 16115), (1408, 14650), (1465, 14080), (1600, 12892), (1760, 11720), (2200, 9376), (2344, 8800), (2816, 7325), (2930, 7040), (3200, 6446), (3223, 6400), (3520, 5860), (4400, 4688)]