20371395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{373}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 35760384

約数和(自身を除く): 15388989

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 331, 373, 993, 1119, 1655, 1865, 3641, 4103, 4965, 5595, 10923, 12309, 18205, 20515, 54615, 61545, 123463, 370389, 617315, 1358093, 1851945, 4074279, 6790465, 20371395]

約数ペア:

[(1, 20371395), (3, 6790465), (5, 4074279), (11, 1851945), (15, 1358093), (33, 617315), (55, 370389), (165, 123463), (331, 61545), (373, 54615), (993, 20515), (1119, 18205), (1655, 12309), (1865, 10923), (3641, 5595), (4103, 4965)]