20961402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32260998

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 59, 66, 77, 118, 154, 177, 231, 354, 413, 462, 649, 769, 826, 1239, 1298, 1538, 1947, 2307, 2478, 3894, 4543, 4614, 5383, 8459, 9086, 10766, 13629, 16149, 16918, 25377, 27258, 32298, 45371, 50754, 59213, 90742, 118426, 136113, 177639, 272226, 317597, 355278, 499081, 635194, 952791, 998162, 1497243, 1905582, 2994486, 3493567, 6987134, 10480701, 20961402]

約数ペア:

[(1, 20961402), (2, 10480701), (3, 6987134), (6, 3493567), (7, 2994486), (11, 1905582), (14, 1497243), (21, 998162), (22, 952791), (33, 635194), (42, 499081), (59, 355278), (66, 317597), (77, 272226), (118, 177639), (154, 136113), (177, 118426), (231, 90742), (354, 59213), (413, 50754), (462, 45371), (649, 32298), (769, 27258), (826, 25377), (1239, 16918), (1298, 16149), (1538, 13629), (1947, 10766), (2307, 9086), (2478, 8459), (3894, 5383), (4543, 4614)]