20355795

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{977}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 35395776

約数和(自身を除く): 15039981

約数列:

[1, 3, 5, 9, 15, 45, 463, 977, 1389, 2315, 2931, 4167, 4885, 6945, 8793, 14655, 20835, 43965, 452351, 1357053, 2261755, 4071159, 6785265, 20355795]

約数ペア:

[(1, 20355795), (3, 6785265), (5, 4071159), (9, 2261755), (15, 1357053), (45, 452351), (463, 43965), (977, 20835), (1389, 14655), (2315, 8793), (2931, 6945), (4167, 4885)]