20217535204

素因数分解:

$2^2\times {\mathrm{1123}}^1\times {\mathrm{4500787}}^1$

素因数の和:4501914

約数の個数: 12

約数和(自身を含む): 35412199984

約数和(自身を除く): 15194664780

約数列:

[1, 2, 4, 1123, 2246, 4492, 4500787, 9001574, 18003148, 5054383801, 10108767602, 20217535204]

約数ペア:

[(1, 20217535204), (2, 10108767602), (4, 5054383801), (1123, 18003148), (2246, 9001574), (4492, 4500787)]