20028380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58907}}^1$

素因数の和:58933

約数の個数: 24

約数和(自身を含む): 44534448

約数和(自身を除く): 24506068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58907, 117814, 235628, 294535, 589070, 1001419, 1178140, 2002838, 4005676, 5007095, 10014190, 20028380]

約数ペア:

[(1, 20028380), (2, 10014190), (4, 5007095), (5, 4005676), (10, 2002838), (17, 1178140), (20, 1001419), (34, 589070), (68, 294535), (85, 235628), (170, 117814), (340, 58907)]