20161458940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144010421}}^1$

素因数の和:144010437

約数の個数: 24

約数和(自身を含む): 48387501792

約数和(自身を除く): 28226042852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144010421, 288020842, 576041684, 720052105, 1008072947, 1440104210, 2016145894, 2880208420, 4032291788, 5040364735, 10080729470, 20161458940]

約数ペア:

[(1, 20161458940), (2, 10080729470), (4, 5040364735), (5, 4032291788), (7, 2880208420), (10, 2016145894), (14, 1440104210), (20, 1008072947), (28, 720052105), (35, 576041684), (70, 288020842), (140, 144010421)]