20217490964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1\times {\mathrm{6883}}^1$

素因数の和:7416

約数の個数: 48

約数和(自身を含む): 38902750656

約数和(自身を除く): 18685259692

約数列:

[1, 2, 4, 11, 22, 44, 241, 277, 482, 554, 964, 1108, 2651, 3047, 5302, 6094, 6883, 10604, 12188, 13766, 27532, 66757, 75713, 133514, 151426, 267028, 302852, 734327, 1468654, 1658803, 1906591, 2937308, 3317606, 3813182, 6635212, 7626364, 18246833, 20972501, 36493666, 41945002, 72987332, 83890004, 459488431, 918976862, 1837953724, 5054372741, 10108745482, 20217490964]

約数ペア:

[(1, 20217490964), (2, 10108745482), (4, 5054372741), (11, 1837953724), (22, 918976862), (44, 459488431), (241, 83890004), (277, 72987332), (482, 41945002), (554, 36493666), (964, 20972501), (1108, 18246833), (2651, 7626364), (3047, 6635212), (5302, 3813182), (6094, 3317606), (6883, 2937308), (10604, 1906591), (12188, 1658803), (13766, 1468654), (27532, 734327), (66757, 302852), (75713, 267028), (133514, 151426)]