20474676

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2213}}^1$

素因数の和:2480

約数の個数: 36

約数和(自身を含む): 51980292

約数和(自身を除く): 31505616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2213, 2313, 3084, 4426, 4626, 6639, 8852, 9252, 13278, 19917, 26556, 39834, 79668, 568741, 1137482, 1706223, 2274964, 3412446, 5118669, 6824892, 10237338, 20474676]

約数ペア:

[(1, 20474676), (2, 10237338), (3, 6824892), (4, 5118669), (6, 3412446), (9, 2274964), (12, 1706223), (18, 1137482), (36, 568741), (257, 79668), (514, 39834), (771, 26556), (1028, 19917), (1542, 13278), (2213, 9252), (2313, 8852), (3084, 6639), (4426, 4626)]