20603550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12487}}^1$

素因数の和:12513

約数の個数: 48

約数和(自身を含む): 55746432

約数和(自身を除く): 35142882

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12487, 24974, 37461, 62435, 74922, 124870, 137357, 187305, 274714, 312175, 374610, 412071, 624350, 686785, 824142, 936525, 1373570, 1873050, 2060355, 3433925, 4120710, 6867850, 10301775, 20603550]

約数ペア:

[(1, 20603550), (2, 10301775), (3, 6867850), (5, 4120710), (6, 3433925), (10, 2060355), (11, 1873050), (15, 1373570), (22, 936525), (25, 824142), (30, 686785), (33, 624350), (50, 412071), (55, 374610), (66, 312175), (75, 274714), (110, 187305), (150, 137357), (165, 124870), (275, 74922), (330, 62435), (550, 37461), (825, 24974), (1650, 12487)]