20519086

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47279}}^1$

素因数の和:47319

約数の個数: 16

約数和(自身を含む): 36311040

約数和(自身を除く): 15791954

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47279, 94558, 330953, 661906, 1465649, 2931298, 10259543, 20519086]

約数ペア:

[(1, 20519086), (2, 10259543), (7, 2931298), (14, 1465649), (31, 661906), (62, 330953), (217, 94558), (434, 47279)]