20229471

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 30941040

約数和(自身を除く): 10711569

約数列:

[1, 3, 9, 19, 57, 171, 281, 421, 843, 1263, 2529, 3789, 5339, 7999, 16017, 23997, 48051, 71991, 118301, 354903, 1064709, 2247719, 6743157, 20229471]

約数ペア:

[(1, 20229471), (3, 6743157), (9, 2247719), (19, 1064709), (57, 354903), (171, 118301), (281, 71991), (421, 48051), (843, 23997), (1263, 16017), (2529, 7999), (3789, 5339)]