20248600

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 47485800

約数和(自身を除く): 27237200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 739, 1096, 1370, 1478, 2740, 2956, 3425, 3695, 5480, 5912, 6850, 7390, 13700, 14780, 18475, 27400, 29560, 36950, 73900, 101243, 147800, 202486, 404972, 506215, 809944, 1012430, 2024860, 2531075, 4049720, 5062150, 10124300, 20248600]

約数ペア:

[(1, 20248600), (2, 10124300), (4, 5062150), (5, 4049720), (8, 2531075), (10, 2024860), (20, 1012430), (25, 809944), (40, 506215), (50, 404972), (100, 202486), (137, 147800), (200, 101243), (274, 73900), (548, 36950), (685, 29560), (739, 27400), (1096, 18475), (1370, 14780), (1478, 13700), (2740, 7390), (2956, 6850), (3425, 5912), (3695, 5480)]