20466844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 38063088

約数和(自身を除く): 17596244

約数列:

[1, 2, 4, 17, 34, 68, 491, 613, 982, 1226, 1964, 2452, 8347, 10421, 16694, 20842, 33388, 41684, 300983, 601966, 1203932, 5116711, 10233422, 20466844]

約数ペア:

[(1, 20466844), (2, 10233422), (4, 5116711), (17, 1203932), (34, 601966), (68, 300983), (491, 41684), (613, 33388), (982, 20842), (1226, 16694), (1964, 10421), (2452, 8347)]