20923517951

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{35951}}^1$

素因数の和:36095

約数の個数: 32

約数和(自身を含む): 25678356480

約数和(自身を除く): 4754838529

約数列:

[1, 7, 29, 47, 61, 203, 329, 427, 1363, 1769, 2867, 9541, 12383, 20069, 35951, 83143, 251657, 582001, 1042579, 1689697, 2193011, 7298053, 11827879, 15351077, 49001213, 63597319, 103071517, 343008491, 445181233, 721500619, 2989073993, 20923517951]

約数ペア:

[(1, 20923517951), (7, 2989073993), (29, 721500619), (47, 445181233), (61, 343008491), (203, 103071517), (329, 63597319), (427, 49001213), (1363, 15351077), (1769, 11827879), (2867, 7298053), (9541, 2193011), (12383, 1689697), (20069, 1042579), (35951, 582001), (83143, 251657)]