20674451

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{433}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4323949

約数列:

[1, 7, 19, 133, 359, 433, 2513, 3031, 6821, 8227, 47747, 57589, 155447, 1088129, 2953493, 20674451]

約数ペア:

[(1, 20674451), (7, 2953493), (19, 1088129), (133, 155447), (359, 57589), (433, 47747), (2513, 8227), (3031, 6821)]