20368854

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 30019626

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 53, 54, 66, 99, 106, 159, 198, 297, 318, 477, 583, 594, 647, 954, 1166, 1294, 1431, 1749, 1941, 2862, 3498, 3882, 5247, 5823, 7117, 10494, 11646, 14234, 15741, 17469, 21351, 31482, 34291, 34938, 42702, 64053, 68582, 102873, 128106, 192159, 205746, 308619, 377201, 384318, 617238, 754402, 925857, 1131603, 1851714, 2263206, 3394809, 6789618, 10184427, 20368854]

約数ペア:

[(1, 20368854), (2, 10184427), (3, 6789618), (6, 3394809), (9, 2263206), (11, 1851714), (18, 1131603), (22, 925857), (27, 754402), (33, 617238), (53, 384318), (54, 377201), (66, 308619), (99, 205746), (106, 192159), (159, 128106), (198, 102873), (297, 68582), (318, 64053), (477, 42702), (583, 34938), (594, 34291), (647, 31482), (954, 21351), (1166, 17469), (1294, 15741), (1431, 14234), (1749, 11646), (1941, 10494), (2862, 7117), (3498, 5823), (3882, 5247)]