20005091176

素因数分解:

$2^3\times 7^1\times {\mathrm{4987}}^1\times {\mathrm{71633}}^1$

素因数の和:76633

約数の個数: 32

約数和(自身を含む): 42877247040

約数和(自身を除く): 22872155864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4987, 9974, 19948, 34909, 39896, 69818, 71633, 139636, 143266, 279272, 286532, 501431, 573064, 1002862, 2005724, 4011448, 357233771, 714467542, 1428935084, 2500636397, 2857870168, 5001272794, 10002545588, 20005091176]

約数ペア:

[(1, 20005091176), (2, 10002545588), (4, 5001272794), (7, 2857870168), (8, 2500636397), (14, 1428935084), (28, 714467542), (56, 357233771), (4987, 4011448), (9974, 2005724), (19948, 1002862), (34909, 573064), (39896, 501431), (69818, 286532), (71633, 279272), (139636, 143266)]