20730619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 6235397

約数列:

[1, 7, 13, 37, 47, 91, 131, 259, 329, 481, 611, 917, 1703, 1739, 3367, 4277, 4847, 6157, 11921, 12173, 22607, 33929, 43099, 63011, 80041, 158249, 227809, 441077, 560287, 1594663, 2961517, 20730619]

約数ペア:

[(1, 20730619), (7, 2961517), (13, 1594663), (37, 560287), (47, 441077), (91, 227809), (131, 158249), (259, 80041), (329, 63011), (481, 43099), (611, 33929), (917, 22607), (1703, 12173), (1739, 11921), (3367, 6157), (4277, 4847)]