20806665932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{23173}}^1$

素因数の和:23778

約数の個数: 48

約数和(自身を含む): 40551904512

約数和(自身を除く): 19745238580

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 557, 806, 1114, 1612, 2228, 7241, 14482, 17267, 23173, 28964, 34534, 46346, 69068, 92692, 224471, 301249, 448942, 602498, 718363, 897884, 1204996, 1436726, 2873452, 9338719, 12907361, 18677438, 25814722, 37354876, 51629444, 167795693, 335591386, 400128191, 671182772, 800256382, 1600512764, 5201666483, 10403332966, 20806665932]

約数ペア:

[(1, 20806665932), (2, 10403332966), (4, 5201666483), (13, 1600512764), (26, 800256382), (31, 671182772), (52, 400128191), (62, 335591386), (124, 167795693), (403, 51629444), (557, 37354876), (806, 25814722), (1114, 18677438), (1612, 12907361), (2228, 9338719), (7241, 2873452), (14482, 1436726), (17267, 1204996), (23173, 897884), (28964, 718363), (34534, 602498), (46346, 448942), (69068, 301249), (92692, 224471)]