20875190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4451}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 43593984

約数和(自身を除く): 22718794

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4451, 4690, 8902, 22255, 31157, 44510, 62314, 155785, 298217, 311570, 596434, 1491085, 2087519, 2982170, 4175038, 10437595, 20875190]

約数ペア:

[(1, 20875190), (2, 10437595), (5, 4175038), (7, 2982170), (10, 2087519), (14, 1491085), (35, 596434), (67, 311570), (70, 298217), (134, 155785), (335, 62314), (469, 44510), (670, 31157), (938, 22255), (2345, 8902), (4451, 4690)]