20151868863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50505937}}^1$

素因数の和:50505966

約数の個数: 16

約数和(自身を含む): 32323800320

約数和(自身を除く): 12171931457

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50505937, 151517811, 353541559, 959612803, 1060624677, 2878838409, 6717289621, 20151868863]

約数ペア:

[(1, 20151868863), (3, 6717289621), (7, 2878838409), (19, 1060624677), (21, 959612803), (57, 353541559), (133, 151517811), (399, 50505937)]