20651332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21345980

約数列:

[1, 2, 4, 13, 23, 26, 31, 46, 52, 62, 92, 124, 299, 403, 557, 598, 713, 806, 1114, 1196, 1426, 1612, 2228, 2852, 7241, 9269, 12811, 14482, 17267, 18538, 25622, 28964, 34534, 37076, 51244, 69068, 166543, 224471, 333086, 397141, 448942, 666172, 794282, 897884, 1588564, 5162833, 10325666, 20651332]

約数ペア:

[(1, 20651332), (2, 10325666), (4, 5162833), (13, 1588564), (23, 897884), (26, 794282), (31, 666172), (46, 448942), (52, 397141), (62, 333086), (92, 224471), (124, 166543), (299, 69068), (403, 51244), (557, 37076), (598, 34534), (713, 28964), (806, 25622), (1114, 18538), (1196, 17267), (1426, 14482), (1612, 12811), (2228, 9269), (2852, 7241)]