20451123

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1093}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 38228736

約数和(自身を除く): 17777613

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 1093, 1701, 2079, 2673, 3279, 6237, 7651, 9837, 12023, 18711, 22953, 29511, 36069, 68859, 84161, 88533, 108207, 206577, 252483, 265599, 324621, 619731, 757449, 973863, 1859193, 2272347, 2921589, 6817041, 20451123]

約数ペア:

[(1, 20451123), (3, 6817041), (7, 2921589), (9, 2272347), (11, 1859193), (21, 973863), (27, 757449), (33, 619731), (63, 324621), (77, 265599), (81, 252483), (99, 206577), (189, 108207), (231, 88533), (243, 84161), (297, 68859), (567, 36069), (693, 29511), (891, 22953), (1093, 18711), (1701, 12023), (2079, 9837), (2673, 7651), (3279, 6237)]