20072745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1963

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 24440535

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 1931, 2079, 3465, 5793, 9655, 10395, 13517, 17379, 21241, 28965, 40551, 52137, 63723, 67585, 86895, 106205, 121653, 148687, 191169, 202755, 260685, 318615, 364959, 446061, 573507, 608265, 743435, 955845, 1338183, 1824795, 2230305, 2867535, 4014549, 6690915, 20072745]

約数ペア:

[(1, 20072745), (3, 6690915), (5, 4014549), (7, 2867535), (9, 2230305), (11, 1824795), (15, 1338183), (21, 955845), (27, 743435), (33, 608265), (35, 573507), (45, 446061), (55, 364959), (63, 318615), (77, 260685), (99, 202755), (105, 191169), (135, 148687), (165, 121653), (189, 106205), (231, 86895), (297, 67585), (315, 63723), (385, 52137), (495, 40551), (693, 28965), (945, 21241), (1155, 17379), (1485, 13517), (1931, 10395), (2079, 9655), (3465, 5793)]