20010938

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 24

約数和(自身を含む): 32327100

約数和(自身を除く): 12316162

約数列:

[1, 2, 17, 34, 89, 178, 289, 389, 578, 778, 1513, 3026, 6613, 13226, 25721, 34621, 51442, 69242, 112421, 224842, 588557, 1177114, 10005469, 20010938]

約数ペア:

[(1, 20010938), (2, 10005469), (17, 1177114), (34, 588557), (89, 224842), (178, 112421), (289, 69242), (389, 51442), (578, 34621), (778, 25721), (1513, 13226), (3026, 6613)]