20035869

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 31549440

約数和(自身を除く): 11513571

約数列:

[1, 3, 7, 21, 59, 103, 157, 177, 309, 413, 471, 721, 1099, 1239, 2163, 3297, 6077, 9263, 16171, 18231, 27789, 42539, 48513, 64841, 113197, 127617, 194523, 339591, 954089, 2862267, 6678623, 20035869]

約数ペア:

[(1, 20035869), (3, 6678623), (7, 2862267), (21, 954089), (59, 339591), (103, 194523), (157, 127617), (177, 113197), (309, 64841), (413, 48513), (471, 42539), (721, 27789), (1099, 18231), (1239, 16171), (2163, 9263), (3297, 6077)]