20408049376268

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{5623}}^1\times {\mathrm{56179}}^1$

素因数の和:62358

約数の個数: 48

約数和(自身を含む): 36944140584960

約数和(自身を除く): 16536091208692

約数列:

[1, 2, 4, 31, 62, 124, 521, 1042, 2084, 5623, 11246, 16151, 22492, 32302, 56179, 64604, 112358, 174313, 224716, 348626, 697252, 1741549, 2929583, 3483098, 5859166, 6966196, 11718332, 29269259, 58538518, 90817073, 117077036, 181634146, 315894517, 363268292, 631789034, 907347029, 1263578068, 1814694058, 3629388116, 9792730027, 19585460054, 39170920108, 164581043357, 329162086714, 658324173428, 5102012344067, 10204024688134, 20408049376268]

約数ペア:

[(1, 20408049376268), (2, 10204024688134), (4, 5102012344067), (31, 658324173428), (62, 329162086714), (124, 164581043357), (521, 39170920108), (1042, 19585460054), (2084, 9792730027), (5623, 3629388116), (11246, 1814694058), (16151, 1263578068), (22492, 907347029), (32302, 631789034), (56179, 363268292), (64604, 315894517), (112358, 181634146), (174313, 117077036), (224716, 90817073), (348626, 58538518), (697252, 29269259), (1741549, 11718332), (2929583, 6966196), (3483098, 5859166)]