2020258520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7215209}}^1$

素因数の和:7215227

約数の個数: 32

約数和(自身を含む): 5194951200

約数和(自身を除く): 3174692680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7215209, 14430418, 28860836, 36076045, 50506463, 57721672, 72152090, 101012926, 144304180, 202025852, 252532315, 288608360, 404051704, 505064630, 1010129260, 2020258520]

約数ペア:

[(1, 2020258520), (2, 1010129260), (4, 505064630), (5, 404051704), (7, 288608360), (8, 252532315), (10, 202025852), (14, 144304180), (20, 101012926), (28, 72152090), (35, 57721672), (40, 50506463), (56, 36076045), (70, 28860836), (140, 14430418), (280, 7215209)]