20938084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{839}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18011036

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 839, 1468, 1678, 3356, 6239, 12478, 14263, 24956, 28526, 57052, 307913, 615826, 1231652, 5234521, 10469042, 20938084]

約数ペア:

[(1, 20938084), (2, 10469042), (4, 5234521), (17, 1231652), (34, 615826), (68, 307913), (367, 57052), (734, 28526), (839, 24956), (1468, 14263), (1678, 12478), (3356, 6239)]