20503564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4943}}^1$

素因数の和:5025

約数の個数: 24

約数和(自身を含む): 38622528

約数和(自身を除く): 18118964

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4943, 9886, 19772, 84031, 168062, 301523, 336124, 603046, 1206092, 5125891, 10251782, 20503564]

約数ペア:

[(1, 20503564), (2, 10251782), (4, 5125891), (17, 1206092), (34, 603046), (61, 336124), (68, 301523), (122, 168062), (244, 84031), (1037, 19772), (2074, 9886), (4148, 4943)]