20260784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20759}}^1$

素因数の和:20828

約数の個数: 20

約数和(自身を含む): 39900720

約数和(自身を除く): 19639936

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20759, 41518, 83036, 166072, 332144, 1266299, 2532598, 5065196, 10130392, 20260784]

約数ペア:

[(1, 20260784), (2, 10130392), (4, 5065196), (8, 2532598), (16, 1266299), (61, 332144), (122, 166072), (244, 83036), (488, 41518), (976, 20759)]