20197740535

素因数分解:

$5^1\times 7^1\times {\mathrm{20129}}^1\times {\mathrm{28669}}^1$

素因数の和:48810

約数の個数: 16

約数和(自身を含む): 27702100800

約数和(自身を除く): 7504360265

約数列:

[1, 5, 7, 35, 20129, 28669, 100645, 140903, 143345, 200683, 704515, 1003415, 577078301, 2885391505, 4039548107, 20197740535]

約数ペア:

[(1, 20197740535), (5, 4039548107), (7, 2885391505), (35, 577078301), (20129, 1003415), (28669, 704515), (100645, 200683), (140903, 143345)]