20665946

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3534

約数の個数: 24

約数和(自身を含む): 36661716

約数和(自身を除く): 15995770

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3457, 5978, 6914, 24199, 48398, 169393, 210877, 338786, 421754, 1476139, 2952278, 10332973, 20665946]

約数ペア:

[(1, 20665946), (2, 10332973), (7, 2952278), (14, 1476139), (49, 421754), (61, 338786), (98, 210877), (122, 169393), (427, 48398), (854, 24199), (2989, 6914), (3457, 5978)]