20480459907

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1\times {\mathrm{3571}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 28574171136

約数和(自身を除く): 8093711229

約数列:

[1, 3, 31, 83, 93, 249, 743, 2229, 2573, 3571, 7719, 10713, 23033, 61669, 69099, 110701, 185007, 296393, 332103, 889179, 1911739, 2653253, 5735217, 7959759, 9188183, 27564549, 82250843, 220219999, 246752529, 660659997, 6826819969, 20480459907]

約数ペア:

[(1, 20480459907), (3, 6826819969), (31, 660659997), (83, 246752529), (93, 220219999), (249, 82250843), (743, 27564549), (2229, 9188183), (2573, 7959759), (3571, 5735217), (7719, 2653253), (10713, 1911739), (23033, 889179), (61669, 332103), (69099, 296393), (110701, 185007)]