20178098493

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1\times {\mathrm{15413}}^1$

素因数の和:17465

約数の個数: 32

約数和(自身を含む): 31757279232

約数和(自身を除く): 11579180739

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2011, 6033, 14077, 15413, 42231, 46239, 62341, 107891, 187023, 323673, 436387, 477803, 1309161, 1433409, 3344621, 10033863, 30995543, 92986629, 216968801, 650906403, 960861833, 2882585499, 6726032831, 20178098493]

約数ペア:

[(1, 20178098493), (3, 6726032831), (7, 2882585499), (21, 960861833), (31, 650906403), (93, 216968801), (217, 92986629), (651, 30995543), (2011, 10033863), (6033, 3344621), (14077, 1433409), (15413, 1309161), (42231, 477803), (46239, 436387), (62341, 323673), (107891, 187023)]