20573708

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 37632000

約数和(自身を除く): 17058292

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 1999, 2573, 3998, 5146, 7996, 10292, 61969, 123938, 165917, 247876, 331834, 663668, 5143427, 10286854, 20573708]

約数ペア:

[(1, 20573708), (2, 10286854), (4, 5143427), (31, 663668), (62, 331834), (83, 247876), (124, 165917), (166, 123938), (332, 61969), (1999, 10292), (2573, 7996), (3998, 5146)]