20808675844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1\times {\mathrm{3271}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 40026663936

約数和(自身を除く): 19217988092

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 887, 1774, 1793, 3271, 3548, 3586, 6542, 7172, 9757, 13084, 19514, 35981, 39028, 71962, 143924, 144581, 289162, 533173, 578324, 1066346, 1590391, 2132692, 2901377, 3180782, 5802754, 5864903, 6361564, 11605508, 11729806, 23459612, 31915147, 63830294, 127660588, 472924451, 945848902, 1891697804, 5202168961, 10404337922, 20808675844]

約数ペア:

[(1, 20808675844), (2, 10404337922), (4, 5202168961), (11, 1891697804), (22, 945848902), (44, 472924451), (163, 127660588), (326, 63830294), (652, 31915147), (887, 23459612), (1774, 11729806), (1793, 11605508), (3271, 6361564), (3548, 5864903), (3586, 5802754), (6542, 3180782), (7172, 2901377), (9757, 2132692), (13084, 1590391), (19514, 1066346), (35981, 578324), (39028, 533173), (71962, 289162), (143924, 144581)]