20549558

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{941}}^1$

素因数の和:1183

約数の個数: 16

約数和(自身を含む): 31538160

約数和(自身を除く): 10988602

約数列:

[1, 2, 61, 122, 179, 358, 941, 1882, 10919, 21838, 57401, 114802, 168439, 336878, 10274779, 20549558]

約数ペア:

[(1, 20549558), (2, 10274779), (61, 336878), (122, 168439), (179, 114802), (358, 57401), (941, 21838), (1882, 10919)]