2020049968

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1778213}}^1$

素因数の和:1778292

約数の個数: 20

約数和(自身を含む): 3968973648

約数和(自身を除く): 1948923680

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1778213, 3556426, 7112852, 14225704, 28451408, 126253123, 252506246, 505012492, 1010024984, 2020049968]

約数ペア:

[(1, 2020049968), (2, 1010024984), (4, 505012492), (8, 252506246), (16, 126253123), (71, 28451408), (142, 14225704), (284, 7112852), (568, 3556426), (1136, 1778213)]