20027457

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 31170048

約数和(自身を除く): 11142591

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 3121, 6417, 9363, 28089, 71783, 96751, 215349, 290253, 646047, 870759, 2225273, 6675819, 20027457]

約数ペア:

[(1, 20027457), (3, 6675819), (9, 2225273), (23, 870759), (31, 646047), (69, 290253), (93, 215349), (207, 96751), (279, 71783), (713, 28089), (2139, 9363), (3121, 6417)]