20285538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 30662814

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 701, 742, 1113, 1378, 1402, 2067, 2103, 2226, 4134, 4206, 4823, 4907, 9113, 9646, 9814, 14469, 14721, 18226, 27339, 28938, 29442, 37153, 54678, 63791, 74306, 111459, 127582, 191373, 222918, 260071, 382746, 482989, 520142, 780213, 965978, 1448967, 1560426, 2897934, 3380923, 6761846, 10142769, 20285538]

約数ペア:

[(1, 20285538), (2, 10142769), (3, 6761846), (6, 3380923), (7, 2897934), (13, 1560426), (14, 1448967), (21, 965978), (26, 780213), (39, 520142), (42, 482989), (53, 382746), (78, 260071), (91, 222918), (106, 191373), (159, 127582), (182, 111459), (273, 74306), (318, 63791), (371, 54678), (546, 37153), (689, 29442), (701, 28938), (742, 27339), (1113, 18226), (1378, 14721), (1402, 14469), (2067, 9814), (2103, 9646), (2226, 9113), (4134, 4907), (4206, 4823)]