20189794892

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{135353}}^1$

素因数の和:135865

約数の個数: 24

約数和(自身を含む): 35814668400

約数和(自身を除く): 15624873508

約数列:

[1, 2, 4, 89, 178, 356, 419, 838, 1676, 37291, 74582, 135353, 149164, 270706, 541412, 12046417, 24092834, 48185668, 56712907, 113425814, 226851628, 5047448723, 10094897446, 20189794892]

約数ペア:

[(1, 20189794892), (2, 10094897446), (4, 5047448723), (89, 226851628), (178, 113425814), (356, 56712907), (419, 48185668), (838, 24092834), (1676, 12046417), (37291, 541412), (74582, 270706), (135353, 149164)]