20317141

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 22543360

約数和(自身を除く): 2226219

約数列:

[1, 13, 73, 79, 271, 949, 1027, 3523, 5767, 19783, 21409, 74971, 257179, 278317, 1562857, 20317141]

約数ペア:

[(1, 20317141), (13, 1562857), (73, 278317), (79, 257179), (271, 74971), (949, 21409), (1027, 19783), (3523, 5767)]