20807540008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83901371}}^1$

素因数の和:83901408

約数の個数: 16

約数和(自身を含む): 40272658560

約数和(自身を除く): 19465118552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83901371, 167802742, 335605484, 671210968, 2600942501, 5201885002, 10403770004, 20807540008]

約数ペア:

[(1, 20807540008), (2, 10403770004), (4, 5201885002), (8, 2600942501), (31, 671210968), (62, 335605484), (124, 167802742), (248, 83901371)]