20756229

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12377}}^1$

素因数の和:12436

約数の個数: 16

約数和(自身を含む): 30499392

約数和(自身を除く): 9743163

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12377, 37131, 160901, 482703, 532211, 1596633, 6918743, 20756229]

約数ペア:

[(1, 20756229), (3, 6918743), (13, 1596633), (39, 532211), (43, 482703), (129, 160901), (559, 37131), (1677, 12377)]