16788140

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1229}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 35335440

約数和(自身を除く): 18547300

約数列:

[1, 2, 4, 5, 10, 20, 683, 1229, 1366, 2458, 2732, 3415, 4916, 6145, 6830, 12290, 13660, 24580, 839407, 1678814, 3357628, 4197035, 8394070, 16788140]

約数ペア:

[(1, 16788140), (2, 8394070), (4, 4197035), (5, 3357628), (10, 1678814), (20, 839407), (683, 24580), (1229, 13660), (1366, 12290), (2458, 6830), (2732, 6145), (3415, 4916)]