20218266145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{383321}}^1$

素因数の和:383481

約数の個数: 32

約数和(自身を含む): 30469499136

約数和(自身を除く): 10251232991

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 4795, 7535, 10549, 52745, 383321, 1916605, 2683247, 4216531, 13416235, 21082655, 29515717, 52514977, 147578585, 262574885, 367604839, 577664747, 1838024195, 2888323735, 4043653229, 20218266145]

約数ペア:

[(1, 20218266145), (5, 4043653229), (7, 2888323735), (11, 1838024195), (35, 577664747), (55, 367604839), (77, 262574885), (137, 147578585), (385, 52514977), (685, 29515717), (959, 21082655), (1507, 13416235), (4795, 4216531), (7535, 2683247), (10549, 1916605), (52745, 383321)]