20731620469

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1274929}}^1$

素因数の和:1275060

約数の個数: 16

約数和(自身を含む): 24968229120

約数和(自身を除く): 4236608651

約数列:

[1, 7, 23, 101, 161, 707, 2323, 16261, 1274929, 8924503, 29323367, 128767829, 205263569, 901374803, 2961660067, 20731620469]

約数ペア:

[(1, 20731620469), (7, 2961660067), (23, 901374803), (101, 205263569), (161, 128767829), (707, 29323367), (2323, 8924503), (16261, 1274929)]