2109477904

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{1280023}}^1$

素因数の和:1280134

約数の個数: 20

約数和(自身を含む): 4126797376

約数和(自身を除く): 2017319472

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 1280023, 2560046, 5120092, 10240184, 20480368, 131842369, 263684738, 527369476, 1054738952, 2109477904]

約数ペア:

[(1, 2109477904), (2, 1054738952), (4, 527369476), (8, 263684738), (16, 131842369), (103, 20480368), (206, 10240184), (412, 5120092), (824, 2560046), (1648, 1280023)]