20008144786

素因数分解:

$2^1\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{357199}}^1$

素因数の和:361209

約数の個数: 16

約数和(自身を含む): 34308345600

約数和(自身を除く): 14300200814

約数列:

[1, 2, 7, 14, 4001, 8002, 28007, 56014, 357199, 714398, 2500393, 5000786, 1429153199, 2858306398, 10004072393, 20008144786]

約数ペア:

[(1, 20008144786), (2, 10004072393), (7, 2858306398), (14, 1429153199), (4001, 5000786), (8002, 2500393), (28007, 714398), (56014, 357199)]