20126462

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1091

約数の個数: 16

約数和(自身を含む): 30876000

約数和(自身を除く): 10749538

約数列:

[1, 2, 61, 122, 199, 398, 829, 1658, 12139, 24278, 50569, 101138, 164971, 329942, 10063231, 20126462]

約数ペア:

[(1, 20126462), (2, 10063231), (61, 329942), (122, 164971), (199, 101138), (398, 50569), (829, 24278), (1658, 12139)]