20753663

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1621}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 24913920

約数和(自身を除く): 4160257

約数列:

[1, 7, 31, 59, 217, 413, 1621, 1829, 11347, 12803, 50251, 95639, 351757, 669473, 2964809, 20753663]

約数ペア:

[(1, 20753663), (7, 2964809), (31, 669473), (59, 351757), (217, 95639), (413, 50251), (1621, 12803), (1829, 11347)]