20510286860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146502049}}^1$

素因数の和:146502065

約数の個数: 24

約数和(自身を含む): 49224688800

約数和(自身を除く): 28714401940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146502049, 293004098, 586008196, 732510245, 1025514343, 1465020490, 2051028686, 2930040980, 4102057372, 5127571715, 10255143430, 20510286860]

約数ペア:

[(1, 20510286860), (2, 10255143430), (4, 5127571715), (5, 4102057372), (7, 2930040980), (10, 2051028686), (14, 1465020490), (20, 1025514343), (28, 732510245), (35, 586008196), (70, 293004098), (140, 146502049)]