20751579

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5867}}^1$

素因数の和:6007

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 10231461

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5867, 17601, 52803, 158409, 768577, 2305731, 6917193, 20751579]

約数ペア:

[(1, 20751579), (3, 6917193), (9, 2305731), (27, 768577), (131, 158409), (393, 52803), (1179, 17601), (3537, 5867)]