20149597904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9060071}}^1$

素因数の和:9060218

約数の個数: 20

約数和(自身を含む): 39320712480

約数和(自身を除く): 19171114576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9060071, 18120142, 36240284, 72480568, 144961136, 1259349869, 2518699738, 5037399476, 10074798952, 20149597904]

約数ペア:

[(1, 20149597904), (2, 10074798952), (4, 5037399476), (8, 2518699738), (16, 1259349869), (139, 144961136), (278, 72480568), (556, 36240284), (1112, 18120142), (2224, 9060071)]