20764929

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 31150080

約数和(自身を除く): 10385151

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 337, 437, 893, 1011, 1081, 1311, 2679, 3243, 6403, 7751, 15839, 19209, 20539, 23253, 47517, 61617, 147269, 300941, 364297, 441807, 902823, 1092891, 6921643, 20764929]

約数ペア:

[(1, 20764929), (3, 6921643), (19, 1092891), (23, 902823), (47, 441807), (57, 364297), (69, 300941), (141, 147269), (337, 61617), (437, 47517), (893, 23253), (1011, 20539), (1081, 19209), (1311, 15839), (2679, 7751), (3243, 6403)]