20164417502509

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6379}}^1\times {\mathrm{42979}}^1$

素因数の和:49470

約数の個数: 48

約数和(自身を含む): 25008170880000

約数和(自身を除く): 4843753377491

約数列:

[1, 7, 19, 49, 79, 133, 553, 931, 1501, 3871, 6379, 10507, 42979, 44653, 73549, 121201, 300853, 312571, 503941, 816601, 848407, 2105971, 3395341, 3527587, 5716207, 5938849, 9574879, 23767387, 24693109, 40013449, 64511479, 67024153, 166371709, 274163041, 451580353, 469169071, 1919141287, 3161062471, 5209097779, 13433989009, 21658880239, 36463684453, 151612161673, 255245791171, 411518724541, 1061285131711, 2880631071787, 20164417502509]

約数ペア:

[(1, 20164417502509), (7, 2880631071787), (19, 1061285131711), (49, 411518724541), (79, 255245791171), (133, 151612161673), (553, 36463684453), (931, 21658880239), (1501, 13433989009), (3871, 5209097779), (6379, 3161062471), (10507, 1919141287), (42979, 469169071), (44653, 451580353), (73549, 274163041), (121201, 166371709), (300853, 67024153), (312571, 64511479), (503941, 40013449), (816601, 24693109), (848407, 23767387), (2105971, 9574879), (3395341, 5938849), (3527587, 5716207)]