20358200

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 47742480

約数和(自身を除く): 27384280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 743, 1096, 1370, 1486, 2740, 2972, 3425, 3715, 5480, 5944, 6850, 7430, 13700, 14860, 18575, 27400, 29720, 37150, 74300, 101791, 148600, 203582, 407164, 508955, 814328, 1017910, 2035820, 2544775, 4071640, 5089550, 10179100, 20358200]

約数ペア:

[(1, 20358200), (2, 10179100), (4, 5089550), (5, 4071640), (8, 2544775), (10, 2035820), (20, 1017910), (25, 814328), (40, 508955), (50, 407164), (100, 203582), (137, 148600), (200, 101791), (274, 74300), (548, 37150), (685, 29720), (743, 27400), (1096, 18575), (1370, 14860), (1486, 13700), (2740, 7430), (2972, 6850), (3425, 5944), (3715, 5480)]