20003144

素因数分解:

$2^3\times 7^1\times {\mathrm{357199}}^1$

素因数の和:357212

約数の個数: 16

約数和(自身を含む): 42864000

約数和(自身を除く): 22860856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 357199, 714398, 1428796, 2500393, 2857592, 5000786, 10001572, 20003144]

約数ペア:

[(1, 20003144), (2, 10001572), (4, 5000786), (7, 2857592), (8, 2500393), (14, 1428796), (28, 714398), (56, 357199)]