20701005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 36360576

約数和(自身を除く): 15659571

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2003, 2067, 3445, 6009, 10015, 10335, 26039, 30045, 78117, 106159, 130195, 318477, 390585, 530795, 1380067, 1592385, 4140201, 6900335, 20701005]

約数ペア:

[(1, 20701005), (3, 6900335), (5, 4140201), (13, 1592385), (15, 1380067), (39, 530795), (53, 390585), (65, 318477), (159, 130195), (195, 106159), (265, 78117), (689, 30045), (795, 26039), (2003, 10335), (2067, 10015), (3445, 6009)]