30992020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91153}}^1$

素因数の和:91179

約数の個数: 24

約数和(自身を含む): 68912424

約数和(自身を除く): 37920404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91153, 182306, 364612, 455765, 911530, 1549601, 1823060, 3099202, 6198404, 7748005, 15496010, 30992020]

約数ペア:

[(1, 30992020), (2, 15496010), (4, 7748005), (5, 6198404), (10, 3099202), (17, 1823060), (20, 1549601), (34, 911530), (68, 455765), (85, 364612), (170, 182306), (340, 91153)]