20179955874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{391403}}^1$

素因数の和:392082

約数の個数: 32

約数和(自身を含む): 43530387264

約数和(自身を除く): 23350431390

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 661, 1322, 1983, 3966, 8593, 17186, 25779, 51558, 391403, 782806, 1174209, 2348418, 5088239, 10176478, 15264717, 30529434, 258717383, 517434766, 776152149, 1552304298, 3363325979, 6726651958, 10089977937, 20179955874]

約数ペア:

[(1, 20179955874), (2, 10089977937), (3, 6726651958), (6, 3363325979), (13, 1552304298), (26, 776152149), (39, 517434766), (78, 258717383), (661, 30529434), (1322, 15264717), (1983, 10176478), (3966, 5088239), (8593, 2348418), (17186, 1174209), (25779, 782806), (51558, 391403)]