13688420

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1787}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 28836864

約数和(自身を除く): 15148444

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1787, 1915, 3574, 3830, 7148, 7660, 8935, 17870, 35740, 684421, 1368842, 2737684, 3422105, 6844210, 13688420]

約数ペア:

[(1, 13688420), (2, 6844210), (4, 3422105), (5, 2737684), (10, 1368842), (20, 684421), (383, 35740), (766, 17870), (1532, 8935), (1787, 7660), (1915, 7148), (3574, 3830)]