20684806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12659}}^1$

素因数の和:12723

約数の個数: 16

約数和(自身を含む): 33422400

約数和(自身を除く): 12737594

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12659, 25318, 240521, 481042, 544337, 1088674, 10342403, 20684806]

約数ペア:

[(1, 20684806), (2, 10342403), (19, 1088674), (38, 544337), (43, 481042), (86, 240521), (817, 25318), (1634, 12659)]