20102782

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16185218

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 419, 838, 1043, 2086, 2933, 3427, 5866, 6854, 9637, 19274, 23989, 47978, 62431, 67459, 124862, 134918, 437017, 874034, 1435913, 2871826, 10051391, 20102782]

約数ペア:

[(1, 20102782), (2, 10051391), (7, 2871826), (14, 1435913), (23, 874034), (46, 437017), (149, 134918), (161, 124862), (298, 67459), (322, 62431), (419, 47978), (838, 23989), (1043, 19274), (2086, 9637), (2933, 6854), (3427, 5866)]