20217290786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{680213}}^1$

素因数の和:680426

約数の個数: 32

約数和(自身を含む): 38004916608

約数和(自身を除く): 17787625822

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 193, 386, 1351, 2123, 2702, 4246, 14861, 29722, 680213, 1360426, 4761491, 7482343, 9522982, 14964686, 52376401, 104752802, 131281109, 262562218, 918967763, 1444092199, 1837935526, 2888184398, 10108645393, 20217290786]

約数ペア:

[(1, 20217290786), (2, 10108645393), (7, 2888184398), (11, 1837935526), (14, 1444092199), (22, 918967763), (77, 262562218), (154, 131281109), (193, 104752802), (386, 52376401), (1351, 14964686), (2123, 9522982), (2702, 7482343), (4246, 4761491), (14861, 1360426), (29722, 680213)]