20100038

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 15482938

約数列:

[1, 2, 7, 14, 53, 103, 106, 206, 263, 371, 526, 721, 742, 1442, 1841, 3682, 5459, 10918, 13939, 27089, 27878, 38213, 54178, 76426, 97573, 189623, 195146, 379246, 1435717, 2871434, 10050019, 20100038]

約数ペア:

[(1, 20100038), (2, 10050019), (7, 2871434), (14, 1435717), (53, 379246), (103, 195146), (106, 189623), (206, 97573), (263, 76426), (371, 54178), (526, 38213), (721, 27878), (742, 27089), (1442, 13939), (1841, 10918), (3682, 5459)]