20809723923

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{400657}}^1$

素因数の和:400891

約数の個数: 24

約数和(自身を含む): 31251324000

約数和(自身を除く): 10441600077

約数列:

[1, 3, 9, 29, 87, 199, 261, 597, 1791, 5771, 17313, 51939, 400657, 1201971, 3605913, 11619053, 34857159, 79730743, 104571477, 239192229, 717576687, 2312191547, 6936574641, 20809723923]

約数ペア:

[(1, 20809723923), (3, 6936574641), (9, 2312191547), (29, 717576687), (87, 239192229), (199, 104571477), (261, 79730743), (597, 34857159), (1791, 11619053), (5771, 3605913), (17313, 1201971), (51939, 400657)]