20777791185

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{46021}}^1$

素因数の和:46238

約数の個数: 48

約数和(自身を含む): 36758691840

約数和(自身を除く): 15980900655

約数列:

[1, 3, 5, 9, 15, 45, 79, 127, 237, 381, 395, 635, 711, 1143, 1185, 1905, 3555, 5715, 10033, 30099, 46021, 50165, 90297, 138063, 150495, 230105, 414189, 451485, 690315, 2070945, 3635659, 5844667, 10906977, 17534001, 18178295, 29223335, 32720931, 52602003, 54534885, 87670005, 163604655, 263010015, 461728693, 1385186079, 2308643465, 4155558237, 6925930395, 20777791185]

約数ペア:

[(1, 20777791185), (3, 6925930395), (5, 4155558237), (9, 2308643465), (15, 1385186079), (45, 461728693), (79, 263010015), (127, 163604655), (237, 87670005), (381, 54534885), (395, 52602003), (635, 32720931), (711, 29223335), (1143, 18178295), (1185, 17534001), (1905, 10906977), (3555, 5844667), (5715, 3635659), (10033, 2070945), (30099, 690315), (46021, 451485), (50165, 414189), (90297, 230105), (138063, 150495)]