20127744008

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{3987271}}^1$

素因数の和:3987908

約数の個数: 16

約数和(自身を含む): 37799338560

約数和(自身を除く): 17671594552

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 5048, 3987271, 7974542, 15949084, 31898168, 2515968001, 5031936002, 10063872004, 20127744008]

約数ペア:

[(1, 20127744008), (2, 10063872004), (4, 5031936002), (8, 2515968001), (631, 31898168), (1262, 15949084), (2524, 7974542), (5048, 3987271)]