20996868431

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{132953}}^1$

素因数の和:133271

約数の個数: 24

約数和(自身を含む): 26736517584

約数和(自身を除く): 5739649153

約数列:

[1, 7, 11, 49, 77, 293, 539, 2051, 3223, 14357, 22561, 132953, 157927, 930671, 1462483, 6514697, 10237381, 38955229, 71661667, 272686603, 428507519, 1908806221, 2999552633, 20996868431]

約数ペア:

[(1, 20996868431), (7, 2999552633), (11, 1908806221), (49, 428507519), (77, 272686603), (293, 71661667), (539, 38955229), (2051, 10237381), (3223, 6514697), (14357, 1462483), (22561, 930671), (132953, 157927)]