20217483

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 15635061

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 683, 759, 897, 1287, 2049, 2277, 2691, 3289, 6147, 7513, 8879, 9867, 15709, 22539, 26637, 29601, 47127, 67617, 79911, 97669, 141381, 172799, 204217, 293007, 518397, 612651, 879021, 1555191, 1837953, 2246387, 6739161, 20217483]

約数ペア:

[(1, 20217483), (3, 6739161), (9, 2246387), (11, 1837953), (13, 1555191), (23, 879021), (33, 612651), (39, 518397), (69, 293007), (99, 204217), (117, 172799), (143, 141381), (207, 97669), (253, 79911), (299, 67617), (429, 47127), (683, 29601), (759, 26637), (897, 22539), (1287, 15709), (2049, 9867), (2277, 8879), (2691, 7513), (3289, 6147)]