20833605

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 19526715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1319, 1755, 3159, 3957, 5265, 6595, 11871, 15795, 17147, 19785, 35613, 51441, 59355, 85735, 106839, 154323, 178065, 257205, 320517, 462969, 534195, 771615, 1388907, 1602585, 2314845, 4166721, 6944535, 20833605]

約数ペア:

[(1, 20833605), (3, 6944535), (5, 4166721), (9, 2314845), (13, 1602585), (15, 1388907), (27, 771615), (39, 534195), (45, 462969), (65, 320517), (81, 257205), (117, 178065), (135, 154323), (195, 106839), (243, 85735), (351, 59355), (405, 51441), (585, 35613), (1053, 19785), (1215, 17147), (1319, 15795), (1755, 11871), (3159, 6595), (3957, 5265)]