20201771007

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{108139}}^1$

素因数の和:108213

約数の個数: 64

約数和(自身を含む): 35504524800

約数和(自身を除く): 15302753793

約数列:

[1, 3, 9, 11, 17, 27, 33, 37, 51, 99, 111, 153, 187, 297, 333, 407, 459, 561, 629, 999, 1221, 1683, 1887, 3663, 5049, 5661, 6919, 10989, 16983, 20757, 62271, 108139, 186813, 324417, 973251, 1189529, 1838363, 2919753, 3568587, 4001143, 5515089, 10705761, 12003429, 16545267, 20221993, 32117283, 36010287, 44012573, 49635801, 60665979, 68019431, 108030861, 132037719, 181997937, 204058293, 396113157, 545993811, 612174879, 748213741, 1188339471, 1836524637, 2244641223, 6733923669, 20201771007]

約数ペア:

[(1, 20201771007), (3, 6733923669), (9, 2244641223), (11, 1836524637), (17, 1188339471), (27, 748213741), (33, 612174879), (37, 545993811), (51, 396113157), (99, 204058293), (111, 181997937), (153, 132037719), (187, 108030861), (297, 68019431), (333, 60665979), (407, 49635801), (459, 44012573), (561, 36010287), (629, 32117283), (999, 20221993), (1221, 16545267), (1683, 12003429), (1887, 10705761), (3663, 5515089), (5049, 4001143), (5661, 3568587), (6919, 2919753), (10989, 1838363), (16983, 1189529), (20757, 973251), (62271, 324417), (108139, 186813)]