20340195

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 33984768

約数和(自身を除く): 13644573

約数列:

[1, 3, 5, 15, 37, 67, 111, 185, 201, 335, 547, 555, 1005, 1641, 2479, 2735, 7437, 8205, 12395, 20239, 36649, 37185, 60717, 101195, 109947, 183245, 303585, 549735, 1356013, 4068039, 6780065, 20340195]

約数ペア:

[(1, 20340195), (3, 6780065), (5, 4068039), (15, 1356013), (37, 549735), (67, 303585), (111, 183245), (185, 109947), (201, 101195), (335, 60717), (547, 37185), (555, 36649), (1005, 20239), (1641, 12395), (2479, 8205), (2735, 7437)]