20246765

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 31021056

約数和(自身を除く): 10774291

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1223, 1505, 2365, 3311, 6115, 8561, 13453, 16555, 42805, 52589, 67265, 94171, 262945, 368123, 470855, 578479, 1840615, 2892395, 4049353, 20246765]

約数ペア:

[(1, 20246765), (5, 4049353), (7, 2892395), (11, 1840615), (35, 578479), (43, 470855), (55, 368123), (77, 262945), (215, 94171), (301, 67265), (385, 52589), (473, 42805), (1223, 16555), (1505, 13453), (2365, 8561), (3311, 6115)]