20218880084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388824617}}^1$

素因数の和:388824634

約数の個数: 12

約数和(自身を含む): 38104812564

約数和(自身を除く): 17885932480

約数列:

[1, 2, 4, 13, 26, 52, 388824617, 777649234, 1555298468, 5054720021, 10109440042, 20218880084]

約数ペア:

[(1, 20218880084), (2, 10109440042), (4, 5054720021), (13, 1555298468), (26, 777649234), (52, 388824617)]