20491386

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179749}}^1$

素因数の和:179773

約数の個数: 16

約数和(自身を含む): 43140000

約数和(自身を除く): 22648614

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179749, 359498, 539247, 1078494, 3415231, 6830462, 10245693, 20491386]

約数ペア:

[(1, 20491386), (2, 10245693), (3, 6830462), (6, 3415231), (19, 1078494), (38, 539247), (57, 359498), (114, 179749)]