20195155

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 25072704

約数和(自身を除く): 4877549

約数列:

[1, 5, 37, 173, 185, 631, 865, 3155, 6401, 23347, 32005, 109163, 116735, 545815, 4039031, 20195155]

約数ペア:

[(1, 20195155), (5, 4039031), (37, 545815), (173, 116735), (185, 109163), (631, 32005), (865, 23347), (3155, 6401)]