20565596

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 16206244

約数列:

[1, 2, 4, 79, 151, 158, 302, 316, 431, 604, 862, 1724, 11929, 23858, 34049, 47716, 65081, 68098, 130162, 136196, 260324, 5141399, 10282798, 20565596]

約数ペア:

[(1, 20565596), (2, 10282798), (4, 5141399), (79, 260324), (151, 136196), (158, 130162), (302, 68098), (316, 65081), (431, 47716), (604, 34049), (862, 23858), (1724, 11929)]