20512201966

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{6163}}^1\times {\mathrm{27281}}^1$

素因数の和:33507

約数の個数: 16

約数和(自身を含む): 31278922128

約数和(自身を除く): 10766720162

約数列:

[1, 2, 61, 122, 6163, 12326, 27281, 54562, 375943, 751886, 1664141, 3328282, 168132803, 336265606, 10256100983, 20512201966]

約数ペア:

[(1, 20512201966), (2, 10256100983), (61, 336265606), (122, 168132803), (6163, 3328282), (12326, 1664141), (27281, 751886), (54562, 375943)]