20161307538

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5258557}}^1$

素因数の和:5258639

約数の個数: 32

約数和(自身を含む): 45433941120

約数和(自身を除く): 25272633582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5258557, 10517114, 15775671, 31551342, 47327013, 94654026, 141981039, 283962078, 373357547, 746715094, 1120072641, 2240145282, 3360217923, 6720435846, 10080653769, 20161307538]

約数ペア:

[(1, 20161307538), (2, 10080653769), (3, 6720435846), (6, 3360217923), (9, 2240145282), (18, 1120072641), (27, 746715094), (54, 373357547), (71, 283962078), (142, 141981039), (213, 94654026), (426, 47327013), (639, 31551342), (1278, 15775671), (1917, 10517114), (3834, 5258557)]