20078338

素因数分解:

$2^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1198

約数の個数: 24

約数和(自身を含む): 35236944

約数和(自身を除く): 15158606

約数列:

[1, 2, 7, 14, 49, 98, 211, 422, 971, 1477, 1942, 2954, 6797, 10339, 13594, 20678, 47579, 95158, 204881, 409762, 1434167, 2868334, 10039169, 20078338]

約数ペア:

[(1, 20078338), (2, 10039169), (7, 2868334), (14, 1434167), (49, 409762), (98, 204881), (211, 95158), (422, 47579), (971, 20678), (1477, 13594), (1942, 10339), (2954, 6797)]