20786310727

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{5849}}^1$

素因数の和:6680

約数の個数: 32

約数和(自身を含む): 26142480000

約数和(自身を除く): 5356169273

約数列:

[1, 7, 13, 49, 91, 343, 637, 797, 4459, 5579, 5849, 10361, 39053, 40943, 72527, 76037, 273371, 286601, 507689, 532259, 2006207, 3553823, 3725813, 4661653, 26080691, 32631571, 60601489, 228420997, 424210423, 1598946979, 2969472961, 20786310727]

約数ペア:

[(1, 20786310727), (7, 2969472961), (13, 1598946979), (49, 424210423), (91, 228420997), (343, 60601489), (637, 32631571), (797, 26080691), (4459, 4661653), (5579, 3725813), (5849, 3553823), (10361, 2006207), (39053, 532259), (40943, 507689), (72527, 286601), (76037, 273371)]