20650065

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3539}}^1$

素因数の和:3936

約数の個数: 16

約数和(自身を含む): 33134400

約数和(自身を除く): 12484335

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 3539, 5835, 10617, 17695, 53085, 1376671, 4130013, 6883355, 20650065]

約数ペア:

[(1, 20650065), (3, 6883355), (5, 4130013), (15, 1376671), (389, 53085), (1167, 17695), (1945, 10617), (3539, 5835)]