20267272

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18651608

約数列:

[1, 2, 4, 8, 83, 131, 166, 233, 262, 332, 466, 524, 664, 932, 1048, 1864, 10873, 19339, 21746, 30523, 38678, 43492, 61046, 77356, 86984, 122092, 154712, 244184, 2533409, 5066818, 10133636, 20267272]

約数ペア:

[(1, 20267272), (2, 10133636), (4, 5066818), (8, 2533409), (83, 244184), (131, 154712), (166, 122092), (233, 86984), (262, 77356), (332, 61046), (466, 43492), (524, 38678), (664, 30523), (932, 21746), (1048, 19339), (1864, 10873)]