20030338940

素因数分解:

$2^2\times 5^1\times {\mathrm{43721}}^1\times {\mathrm{22907}}^1$

素因数の和:66637

約数の個数: 24

約数和(自身を含む): 42066510192

約数和(自身を除く): 22036171252

約数列:

[1, 2, 4, 5, 10, 20, 22907, 43721, 45814, 87442, 91628, 114535, 174884, 218605, 229070, 437210, 458140, 874420, 1001516947, 2003033894, 4006067788, 5007584735, 10015169470, 20030338940]

約数ペア:

[(1, 20030338940), (2, 10015169470), (4, 5007584735), (5, 4006067788), (10, 2003033894), (20, 1001516947), (22907, 874420), (43721, 458140), (45814, 437210), (87442, 229070), (91628, 218605), (114535, 174884)]