20017347

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 12994365

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1193, 2397, 3579, 5593, 8351, 16779, 20281, 25053, 56071, 60843, 141967, 168213, 392497, 425901, 953207, 1177491, 2859621, 6672449, 20017347]

約数ペア:

[(1, 20017347), (3, 6672449), (7, 2859621), (17, 1177491), (21, 953207), (47, 425901), (51, 392497), (119, 168213), (141, 141967), (329, 60843), (357, 56071), (799, 25053), (987, 20281), (1193, 16779), (2397, 8351), (3579, 5593)]