20490696574

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1\times {\mathrm{3917}}^1$

素因数の和:4404

約数の個数: 32

約数和(自身を含む): 31515765120

約数和(自身を除く): 11025068546

約数列:

[1, 2, 79, 113, 158, 226, 293, 586, 3917, 7834, 8927, 17854, 23147, 33109, 46294, 66218, 309443, 442621, 618886, 885242, 1147681, 2295362, 2615611, 5231222, 34967059, 69934118, 90666799, 129687953, 181333598, 259375906, 10245348287, 20490696574]

約数ペア:

[(1, 20490696574), (2, 10245348287), (79, 259375906), (113, 181333598), (158, 129687953), (226, 90666799), (293, 69934118), (586, 34967059), (3917, 5231222), (7834, 2615611), (8927, 2295362), (17854, 1147681), (23147, 885242), (33109, 618886), (46294, 442621), (66218, 309443)]