20106009

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 19061991

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 509, 513, 627, 693, 1197, 1463, 1527, 1881, 2079, 3563, 3591, 4389, 4581, 5599, 5643, 9671, 10689, 13167, 13743, 16797, 29013, 32067, 39193, 39501, 50391, 67697, 87039, 96201, 106381, 117579, 151173, 203091, 261117, 319143, 352737, 609273, 744667, 957429, 1058211, 1827819, 2234001, 2872287, 6702003, 20106009]

約数ペア:

[(1, 20106009), (3, 6702003), (7, 2872287), (9, 2234001), (11, 1827819), (19, 1058211), (21, 957429), (27, 744667), (33, 609273), (57, 352737), (63, 319143), (77, 261117), (99, 203091), (133, 151173), (171, 117579), (189, 106381), (209, 96201), (231, 87039), (297, 67697), (399, 50391), (509, 39501), (513, 39193), (627, 32067), (693, 29013), (1197, 16797), (1463, 13743), (1527, 13167), (1881, 10689), (2079, 9671), (3563, 5643), (3591, 5599), (4389, 4581)]