20520698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30089}}^1$

素因数の和:30133

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 14142982

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30089, 60178, 330979, 661958, 932759, 1865518, 10260349, 20520698]

約数ペア:

[(1, 20520698), (2, 10260349), (11, 1865518), (22, 932759), (31, 661958), (62, 330979), (341, 60178), (682, 30089)]