19779795

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6977}}^1$

素因数の和:7001

約数の個数: 40

約数和(自身を含む): 40528224

約数和(自身を除く): 20748429

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6977, 20931, 34885, 48839, 62793, 104655, 146517, 188379, 244195, 313965, 439551, 565137, 732585, 941895, 1318653, 2197755, 2825685, 3955959, 6593265, 19779795]

約数ペア:

[(1, 19779795), (3, 6593265), (5, 3955959), (7, 2825685), (9, 2197755), (15, 1318653), (21, 941895), (27, 732585), (35, 565137), (45, 439551), (63, 313965), (81, 244195), (105, 188379), (135, 146517), (189, 104655), (315, 62793), (405, 48839), (567, 34885), (945, 20931), (2835, 6977)]