20042919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1601}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 31488912

約数和(自身を除く): 11445993

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1601, 4173, 4803, 12519, 14409, 20813, 62439, 171307, 187317, 513921, 1541763, 2226991, 6680973, 20042919]

約数ペア:

[(1, 20042919), (3, 6680973), (9, 2226991), (13, 1541763), (39, 513921), (107, 187317), (117, 171307), (321, 62439), (963, 20813), (1391, 14409), (1601, 12519), (4173, 4803)]