20123309368

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4516003}}^1$

素因数の和:4516566

約数の個数: 16

約数和(自身を含む): 37798953480

約数和(自身を除く): 17675644112

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4516003, 9032006, 18064012, 36128024, 2515413671, 5030827342, 10061654684, 20123309368]

約数ペア:

[(1, 20123309368), (2, 10061654684), (4, 5030827342), (8, 2515413671), (557, 36128024), (1114, 18064012), (2228, 9032006), (4456, 4516003)]