20789976645

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1\times {\mathrm{2579}}^1$

素因数の和:3087

約数の個数: 64

約数和(自身を含む): 37280793600

約数和(自身を除く): 16490816955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 283, 633, 849, 1055, 1415, 1899, 2547, 2579, 3165, 4245, 5697, 7641, 7737, 9495, 12735, 12895, 23211, 28485, 38205, 38685, 59713, 69633, 116055, 179139, 298565, 348165, 537417, 544169, 729857, 895695, 1612251, 1632507, 2189571, 2687085, 2720845, 3649285, 4897521, 6568713, 8061255, 8162535, 10947855, 14692563, 19706139, 24487605, 32843565, 73462815, 98530695, 153999827, 461999481, 769999135, 1385998443, 2309997405, 4157995329, 6929992215, 20789976645]

約数ペア:

[(1, 20789976645), (3, 6929992215), (5, 4157995329), (9, 2309997405), (15, 1385998443), (27, 769999135), (45, 461999481), (135, 153999827), (211, 98530695), (283, 73462815), (633, 32843565), (849, 24487605), (1055, 19706139), (1415, 14692563), (1899, 10947855), (2547, 8162535), (2579, 8061255), (3165, 6568713), (4245, 4897521), (5697, 3649285), (7641, 2720845), (7737, 2687085), (9495, 2189571), (12735, 1632507), (12895, 1612251), (23211, 895695), (28485, 729857), (38205, 544169), (38685, 537417), (59713, 348165), (69633, 298565), (116055, 179139)]