20199446395

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{59209}}^1$

素因数の和:59347

約数の個数: 24

約数和(自身を含む): 25399668960

約数和(自身を除く): 5200222565

約数列:

[1, 5, 31, 71, 155, 355, 961, 2201, 4805, 11005, 59209, 68231, 296045, 341155, 1835479, 4203839, 9177395, 21019195, 56899849, 130319009, 284499245, 651595045, 4039889279, 20199446395]

約数ペア:

[(1, 20199446395), (5, 4039889279), (31, 651595045), (71, 284499245), (155, 130319009), (355, 56899849), (961, 21019195), (2201, 9177395), (4805, 4203839), (11005, 1835479), (59209, 341155), (68231, 296045)]