20434340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60101}}^1$

素因数の和:60127

約数の個数: 24

約数和(自身を含む): 45437112

約数和(自身を除く): 25002772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60101, 120202, 240404, 300505, 601010, 1021717, 1202020, 2043434, 4086868, 5108585, 10217170, 20434340]

約数ペア:

[(1, 20434340), (2, 10217170), (4, 5108585), (5, 4086868), (10, 2043434), (17, 1202020), (20, 1021717), (34, 601010), (68, 300505), (85, 240404), (170, 120202), (340, 60101)]