20600800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2341}}^1$

素因数の和:2372

約数の個数: 72

約数和(自身を含む): 54887112

約数和(自身を除く): 34286312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2341, 4400, 4682, 8800, 9364, 11705, 18728, 23410, 25751, 37456, 46820, 51502, 58525, 74912, 93640, 103004, 117050, 128755, 187280, 206008, 234100, 257510, 374560, 412016, 468200, 515020, 643775, 824032, 936400, 1030040, 1287550, 1872800, 2060080, 2575100, 4120160, 5150200, 10300400, 20600800]

約数ペア:

[(1, 20600800), (2, 10300400), (4, 5150200), (5, 4120160), (8, 2575100), (10, 2060080), (11, 1872800), (16, 1287550), (20, 1030040), (22, 936400), (25, 824032), (32, 643775), (40, 515020), (44, 468200), (50, 412016), (55, 374560), (80, 257510), (88, 234100), (100, 206008), (110, 187280), (160, 128755), (176, 117050), (200, 103004), (220, 93640), (275, 74912), (352, 58525), (400, 51502), (440, 46820), (550, 37456), (800, 25751), (880, 23410), (1100, 18728), (1760, 11705), (2200, 9364), (2341, 8800), (4400, 4682)]