20717319

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12828921

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 727, 1239, 1357, 2181, 4071, 5089, 9499, 15267, 16721, 28497, 42893, 50163, 117047, 128679, 300251, 351141, 900753, 986539, 2959617, 6905773, 20717319]

約数ペア:

[(1, 20717319), (3, 6905773), (7, 2959617), (21, 986539), (23, 900753), (59, 351141), (69, 300251), (161, 128679), (177, 117047), (413, 50163), (483, 42893), (727, 28497), (1239, 16721), (1357, 15267), (2181, 9499), (4071, 5089)]