20609538

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5309}}^1$

素因数の和:5961

約数の個数: 16

約数和(自身を含む): 41290560

約数和(自身を除く): 20681022

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5309, 10618, 15927, 31854, 3434923, 6869846, 10304769, 20609538]

約数ペア:

[(1, 20609538), (2, 10304769), (3, 6869846), (6, 3434923), (647, 31854), (1294, 15927), (1941, 10618), (3882, 5309)]