20091781131

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{654221}}^1$

素因数の和:654606

約数の個数: 16

約数和(自身を含む): 27791350560

約数和(自身を除く): 7699569429

約数列:

[1, 3, 29, 87, 353, 1059, 10237, 30711, 654221, 1962663, 18972409, 56917227, 230940013, 692820039, 6697260377, 20091781131]

約数ペア:

[(1, 20091781131), (3, 6697260377), (29, 692820039), (87, 230940013), (353, 56917227), (1059, 18972409), (10237, 1962663), (30711, 654221)]