17420222020

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{554431}}^1$

素因数の和:556011

約数の個数: 24

約数和(自身を含む): 36605818368

約数和(自身を除く): 19185596348

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 6284, 7855, 15710, 31420, 554431, 1108862, 2217724, 2772155, 5544310, 11088620, 871011101, 1742022202, 3484044404, 4355055505, 8710111010, 17420222020]

約数ペア:

[(1, 17420222020), (2, 8710111010), (4, 4355055505), (5, 3484044404), (10, 1742022202), (20, 871011101), (1571, 11088620), (3142, 5544310), (6284, 2772155), (7855, 2217724), (15710, 1108862), (31420, 554431)]