20378230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2232

約数の個数: 32

約数和(自身を含む): 39227328

約数和(自身を除く): 18849098

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 2161, 4322, 4715, 9430, 10805, 21610, 49703, 88601, 99406, 177202, 248515, 443005, 497030, 886010, 2037823, 4075646, 10189115, 20378230]

約数ペア:

[(1, 20378230), (2, 10189115), (5, 4075646), (10, 2037823), (23, 886010), (41, 497030), (46, 443005), (82, 248515), (115, 177202), (205, 99406), (230, 88601), (410, 49703), (943, 21610), (1886, 10805), (2161, 9430), (4322, 4715)]