20050357904

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4992619}}^1$

素因数の和:4992878

約数の個数: 20

約数和(自身を含む): 39002347440

約数和(自身を除く): 18951989536

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4992619, 9985238, 19970476, 39940952, 79881904, 1253147369, 2506294738, 5012589476, 10025178952, 20050357904]

約数ペア:

[(1, 20050357904), (2, 10025178952), (4, 5012589476), (8, 2506294738), (16, 1253147369), (251, 79881904), (502, 39940952), (1004, 19970476), (2008, 9985238), (4016, 4992619)]