20129681

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 24310272

約数和(自身を除く): 4180591

約数列:

[1, 11, 13, 67, 121, 143, 191, 737, 871, 1573, 2101, 2483, 8107, 9581, 12797, 23111, 27313, 105391, 140767, 166361, 300443, 1548437, 1829971, 20129681]

約数ペア:

[(1, 20129681), (11, 1829971), (13, 1548437), (67, 300443), (121, 166361), (143, 140767), (191, 105391), (737, 27313), (871, 23111), (1573, 12797), (2101, 9581), (2483, 8107)]