20809537615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{286771}}^1$

素因数の和:287430

約数の個数: 16

約数和(自身を含む): 26098546176

約数和(自身を除く): 5289008561

約数列:

[1, 5, 23, 115, 631, 3155, 14513, 72565, 286771, 1433855, 6595733, 32978665, 180952501, 904762505, 4161907523, 20809537615]

約数ペア:

[(1, 20809537615), (5, 4161907523), (23, 904762505), (115, 180952501), (631, 32978665), (3155, 6595733), (14513, 1433855), (72565, 286771)]