20161800020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24587561}}^1$

素因数の和:24587611

約数の個数: 24

約数和(自身を含む): 43372459368

約数和(自身を除く): 23210659348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24587561, 49175122, 98350244, 122937805, 245875610, 491751220, 1008090001, 2016180002, 4032360004, 5040450005, 10080900010, 20161800020]

約数ペア:

[(1, 20161800020), (2, 10080900010), (4, 5040450005), (5, 4032360004), (10, 2016180002), (20, 1008090001), (41, 491751220), (82, 245875610), (164, 122937805), (205, 98350244), (410, 49175122), (820, 24587561)]