20259674

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1459}}^1$

素因数の和:1645

約数の個数: 16

約数和(自身を含む): 31220640

約数和(自身を除く): 10960966

約数列:

[1, 2, 53, 106, 131, 262, 1459, 2918, 6943, 13886, 77327, 154654, 191129, 382258, 10129837, 20259674]

約数ペア:

[(1, 20259674), (2, 10129837), (53, 382258), (106, 191129), (131, 154654), (262, 77327), (1459, 13886), (2918, 6943)]