12389620

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{907}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 26085024

約数和(自身を除く): 13695404

約数列:

[1, 2, 4, 5, 10, 20, 683, 907, 1366, 1814, 2732, 3415, 3628, 4535, 6830, 9070, 13660, 18140, 619481, 1238962, 2477924, 3097405, 6194810, 12389620]

約数ペア:

[(1, 12389620), (2, 6194810), (4, 3097405), (5, 2477924), (10, 1238962), (20, 619481), (683, 18140), (907, 13660), (1366, 9070), (1814, 6830), (2732, 4535), (3415, 3628)]