20587976

素因数分解:

$2^3\times {\mathrm{571}}^1\times {\mathrm{4507}}^1$

素因数の和:5084

約数の個数: 16

約数和(自身を含む): 38678640

約数和(自身を除く): 18090664

約数列:

[1, 2, 4, 8, 571, 1142, 2284, 4507, 4568, 9014, 18028, 36056, 2573497, 5146994, 10293988, 20587976]

約数ペア:

[(1, 20587976), (2, 10293988), (4, 5146994), (8, 2573497), (571, 36056), (1142, 18028), (2284, 9014), (4507, 4568)]