20419014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 51402240

約数和(自身を除く): 30983226

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 193, 229, 231, 386, 458, 462, 579, 687, 1158, 1351, 1374, 1603, 2123, 2519, 2702, 3206, 4053, 4246, 4809, 5038, 6369, 7557, 8106, 9618, 12738, 14861, 15114, 17633, 29722, 35266, 44197, 44583, 52899, 88394, 89166, 105798, 132591, 265182, 309379, 486167, 618758, 928137, 972334, 1458501, 1856274, 2917002, 3403169, 6806338, 10209507, 20419014]

約数ペア:

[(1, 20419014), (2, 10209507), (3, 6806338), (6, 3403169), (7, 2917002), (11, 1856274), (14, 1458501), (21, 972334), (22, 928137), (33, 618758), (42, 486167), (66, 309379), (77, 265182), (154, 132591), (193, 105798), (229, 89166), (231, 88394), (386, 52899), (458, 44583), (462, 44197), (579, 35266), (687, 29722), (1158, 17633), (1351, 15114), (1374, 14861), (1603, 12738), (2123, 9618), (2519, 8106), (2702, 7557), (3206, 6369), (4053, 5038), (4246, 4809)]