20549529

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 39871104

約数和(自身を除く): 19321575

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2281, 3003, 6843, 9009, 15967, 20529, 25091, 29653, 47901, 75273, 88959, 143703, 175637, 207571, 225819, 266877, 326183, 526911, 622713, 978549, 1580733, 1868139, 2283281, 2935647, 6849843, 20549529]

約数ペア:

[(1, 20549529), (3, 6849843), (7, 2935647), (9, 2283281), (11, 1868139), (13, 1580733), (21, 978549), (33, 622713), (39, 526911), (63, 326183), (77, 266877), (91, 225819), (99, 207571), (117, 175637), (143, 143703), (231, 88959), (273, 75273), (429, 47901), (693, 29653), (819, 25091), (1001, 20529), (1287, 15967), (2281, 9009), (3003, 6843)]