20120305975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{125929}}^1$

素因数の和:126040

約数の個数: 48

約数和(自身を含む): 31480485120

約数和(自身を除く): 11360179145

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 175, 275, 385, 415, 581, 913, 1925, 2075, 2905, 4565, 6391, 14525, 22825, 31955, 125929, 159775, 629645, 881503, 1385219, 3148225, 4407515, 6926095, 9696533, 10452107, 22037575, 34630475, 48482665, 52260535, 73164749, 114973177, 242413325, 261302675, 365823745, 574865885, 804812239, 1829118725, 2874329425, 4024061195, 20120305975]

約数ペア:

[(1, 20120305975), (5, 4024061195), (7, 2874329425), (11, 1829118725), (25, 804812239), (35, 574865885), (55, 365823745), (77, 261302675), (83, 242413325), (175, 114973177), (275, 73164749), (385, 52260535), (415, 48482665), (581, 34630475), (913, 22037575), (1925, 10452107), (2075, 9696533), (2905, 6926095), (4565, 4407515), (6391, 3148225), (14525, 1385219), (22825, 881503), (31955, 629645), (125929, 159775)]