20517002

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:742

約数の個数: 24

約数和(自身を含む): 34114500

約数和(自身を除く): 13597498

約数列:

[1, 2, 11, 22, 121, 149, 242, 298, 569, 1138, 1639, 3278, 6259, 12518, 18029, 36058, 68849, 84781, 137698, 169562, 932591, 1865182, 10258501, 20517002]

約数ペア:

[(1, 20517002), (2, 10258501), (11, 1865182), (22, 932591), (121, 169562), (149, 137698), (242, 84781), (298, 68849), (569, 36058), (1138, 18029), (1639, 12518), (3278, 6259)]