20126113

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 25498152

約数和(自身を除く): 5372039

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 653, 833, 1813, 4403, 4571, 11101, 24161, 30821, 31997, 77707, 169127, 410737, 543949, 1183889, 2875159, 20126113]

約数ペア:

[(1, 20126113), (7, 2875159), (17, 1183889), (37, 543949), (49, 410737), (119, 169127), (259, 77707), (629, 31997), (653, 30821), (833, 24161), (1813, 11101), (4403, 4571)]