20701737

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1307

約数の個数: 40

約数和(自身を含む): 36590400

約数和(自身を除く): 15888663

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1259, 1827, 2349, 3777, 5481, 8813, 11331, 16443, 26439, 33993, 36511, 79317, 101979, 109533, 237951, 255577, 328599, 713853, 766731, 985797, 2300193, 2957391, 6900579, 20701737]

約数ペア:

[(1, 20701737), (3, 6900579), (7, 2957391), (9, 2300193), (21, 985797), (27, 766731), (29, 713853), (63, 328599), (81, 255577), (87, 237951), (189, 109533), (203, 101979), (261, 79317), (567, 36511), (609, 33993), (783, 26439), (1259, 16443), (1827, 11331), (2349, 8813), (3777, 5481)]