20245072

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9103}}^1$

素因数の和:9250

約数の個数: 20

約数和(自身を含む): 39511360

約数和(自身を除く): 19266288

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9103, 18206, 36412, 72824, 145648, 1265317, 2530634, 5061268, 10122536, 20245072]

約数ペア:

[(1, 20245072), (2, 10122536), (4, 5061268), (8, 2530634), (16, 1265317), (139, 145648), (278, 72824), (556, 36412), (1112, 18206), (2224, 9103)]