2019684580

素因数分解:

$2^2\times 5^1\times {\mathrm{3907}}^1\times {\mathrm{25847}}^1$

素因数の和:29763

約数の個数: 24

約数和(自身を含む): 4242587328

約数和(自身を除く): 2222902748

約数列:

[1, 2, 4, 5, 10, 20, 3907, 7814, 15628, 19535, 25847, 39070, 51694, 78140, 103388, 129235, 258470, 516940, 100984229, 201968458, 403936916, 504921145, 1009842290, 2019684580]

約数ペア:

[(1, 2019684580), (2, 1009842290), (4, 504921145), (5, 403936916), (10, 201968458), (20, 100984229), (3907, 516940), (7814, 258470), (15628, 129235), (19535, 103388), (25847, 78140), (39070, 51694)]