20874518

素因数分解:

$2^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3833}}^1$

素因数の和:4231

約数の個数: 16

約数和(自身を含む): 35886240

約数和(自身を除く): 15011722

約数列:

[1, 2, 7, 14, 389, 778, 2723, 3833, 5446, 7666, 26831, 53662, 1491037, 2982074, 10437259, 20874518]

約数ペア:

[(1, 20874518), (2, 10437259), (7, 2982074), (14, 1491037), (389, 53662), (778, 26831), (2723, 7666), (3833, 5446)]