20425972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11959}}^1$

素因数の和:12031

約数の個数: 24

約数和(自身を含む): 41525120

約数和(自身を除く): 21099148

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11959, 23918, 47836, 83713, 167426, 334852, 729499, 1458998, 2917996, 5106493, 10212986, 20425972]

約数ペア:

[(1, 20425972), (2, 10212986), (4, 5106493), (7, 2917996), (14, 1458998), (28, 729499), (61, 334852), (122, 167426), (244, 83713), (427, 47836), (854, 23918), (1708, 11959)]