20121581623

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{10651}}^1$

素因数の和:11887

約数の個数: 24

約数和(自身を含む): 23840496848

約数和(自身を除く): 3718915225

約数列:

[1, 11, 13, 121, 143, 1201, 1573, 10651, 13211, 15613, 117161, 138463, 145321, 171743, 1288771, 1523093, 1889173, 12791851, 16754023, 140710361, 166294063, 1547813971, 1829234693, 20121581623]

約数ペア:

[(1, 20121581623), (11, 1829234693), (13, 1547813971), (121, 166294063), (143, 140710361), (1201, 16754023), (1573, 12791851), (10651, 1889173), (13211, 1523093), (15613, 1288771), (117161, 171743), (138463, 145321)]