20889076

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2377}}^1$

素因数の和:2420

約数の個数: 24

約数和(自身を含む): 39617480

約数和(自身を除く): 18728404

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2377, 4394, 4754, 8788, 9508, 30901, 61802, 123604, 401713, 803426, 1606852, 5222269, 10444538, 20889076]

約数ペア:

[(1, 20889076), (2, 10444538), (4, 5222269), (13, 1606852), (26, 803426), (52, 401713), (169, 123604), (338, 61802), (676, 30901), (2197, 9508), (2377, 8788), (4394, 4754)]