20117656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10181}}^1$

素因数の和:10219

約数の個数: 32

約数和(自身を含む): 42764400

約数和(自身を除く): 22646744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10181, 20362, 40724, 81448, 132353, 193439, 264706, 386878, 529412, 773756, 1058824, 1547512, 2514707, 5029414, 10058828, 20117656]

約数ペア:

[(1, 20117656), (2, 10058828), (4, 5029414), (8, 2514707), (13, 1547512), (19, 1058824), (26, 773756), (38, 529412), (52, 386878), (76, 264706), (104, 193439), (152, 132353), (247, 81448), (494, 40724), (988, 20362), (1976, 10181)]