20499234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9209}}^1$

素因数の和:9274

約数の個数: 32

約数和(自身を含む): 47744640

約数和(自身を除く): 27245406

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9209, 18418, 27627, 55254, 64463, 128926, 193389, 386778, 488077, 976154, 1464231, 2928462, 3416539, 6833078, 10249617, 20499234]

約数ペア:

[(1, 20499234), (2, 10249617), (3, 6833078), (6, 3416539), (7, 2928462), (14, 1464231), (21, 976154), (42, 488077), (53, 386778), (106, 193389), (159, 128926), (318, 64463), (371, 55254), (742, 27627), (1113, 18418), (2226, 9209)]