20396649

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74713}}^1$

素因数の和:74736

約数の個数: 16

約数和(自身を含む): 33471872

約数和(自身を除く): 13075223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74713, 224139, 522991, 971269, 1568973, 2913807, 6798883, 20396649]

約数ペア:

[(1, 20396649), (3, 6798883), (7, 2913807), (13, 1568973), (21, 971269), (39, 522991), (91, 224139), (273, 74713)]