20957642

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1951}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 11508022

約数列:

[1, 2, 41, 82, 131, 262, 1951, 3902, 5371, 10742, 79991, 159982, 255581, 511162, 10478821, 20957642]

約数ペア:

[(1, 20957642), (2, 10478821), (41, 511162), (82, 255581), (131, 159982), (262, 79991), (1951, 10742), (3902, 5371)]