20229995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4091}}^1$

素因数の和:4162

約数の個数: 16

約数和(自身を含む): 25926912

約数和(自身を除く): 5696917

約数列:

[1, 5, 23, 43, 115, 215, 989, 4091, 4945, 20455, 94093, 175913, 470465, 879565, 4045999, 20229995]

約数ペア:

[(1, 20229995), (5, 4045999), (23, 879565), (43, 470465), (115, 175913), (215, 94093), (989, 20455), (4091, 4945)]