20685202

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1641

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11109998

約数列:

[1, 2, 79, 89, 158, 178, 1471, 2942, 7031, 14062, 116209, 130919, 232418, 261838, 10342601, 20685202]

約数ペア:

[(1, 20685202), (2, 10342601), (79, 261838), (89, 232418), (158, 130919), (178, 116209), (1471, 14062), (2942, 7031)]