20394838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1559}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 31749120

約数和(自身を除く): 11354282

約数列:

[1, 2, 31, 62, 211, 422, 1559, 3118, 6541, 13082, 48329, 96658, 328949, 657898, 10197419, 20394838]

約数ペア:

[(1, 20394838), (2, 10197419), (31, 657898), (62, 328949), (211, 96658), (422, 48329), (1559, 13082), (3118, 6541)]