20541236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{661}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 38202696

約数和(自身を除く): 17661460

約数列:

[1, 2, 4, 17, 34, 68, 457, 661, 914, 1322, 1828, 2644, 7769, 11237, 15538, 22474, 31076, 44948, 302077, 604154, 1208308, 5135309, 10270618, 20541236]

約数ペア:

[(1, 20541236), (2, 10270618), (4, 5135309), (17, 1208308), (34, 604154), (68, 302077), (457, 44948), (661, 31076), (914, 22474), (1322, 15538), (1828, 11237), (2644, 7769)]