20659023

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 40243200

約数和(自身を除く): 19584177

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 523, 627, 693, 1197, 1463, 1569, 1881, 2079, 3591, 3661, 4389, 4707, 5643, 5753, 9937, 10983, 13167, 14121, 17259, 29811, 32949, 39501, 40271, 51777, 69559, 89433, 98847, 109307, 120813, 155331, 208677, 268299, 327921, 362439, 626031, 765149, 983763, 1087317, 1878093, 2295447, 2951289, 6886341, 20659023]

約数ペア:

[(1, 20659023), (3, 6886341), (7, 2951289), (9, 2295447), (11, 1878093), (19, 1087317), (21, 983763), (27, 765149), (33, 626031), (57, 362439), (63, 327921), (77, 268299), (99, 208677), (133, 155331), (171, 120813), (189, 109307), (209, 98847), (231, 89433), (297, 69559), (399, 51777), (513, 40271), (523, 39501), (627, 32949), (693, 29811), (1197, 17259), (1463, 14121), (1569, 13167), (1881, 10983), (2079, 9937), (3591, 5753), (3661, 5643), (4389, 4707)]