20177243515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1485259}}^1$

素因数の和:1485307

約数の個数: 32

約数和(自身を含む): 29942841600

約数和(自身を除く): 9765598085

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 13585, 1485259, 7426295, 16337849, 19308367, 28219921, 81689245, 96541835, 141099605, 212392037, 310419131, 366858973, 1061960185, 1552095655, 1834294865, 4035448703, 20177243515]

約数ペア:

[(1, 20177243515), (5, 4035448703), (11, 1834294865), (13, 1552095655), (19, 1061960185), (55, 366858973), (65, 310419131), (95, 212392037), (143, 141099605), (209, 96541835), (247, 81689245), (715, 28219921), (1045, 19308367), (1235, 16337849), (2717, 7426295), (13585, 1485259)]