20871368

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6317}}^1$

素因数の和:6389

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 24618232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6317, 12634, 25268, 44219, 50536, 88438, 176876, 353752, 372703, 745406, 1490812, 2608921, 2981624, 5217842, 10435684, 20871368]

約数ペア:

[(1, 20871368), (2, 10435684), (4, 5217842), (7, 2981624), (8, 2608921), (14, 1490812), (28, 745406), (56, 372703), (59, 353752), (118, 176876), (236, 88438), (413, 50536), (472, 44219), (826, 25268), (1652, 12634), (3304, 6317)]