20756385

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11827}}^1$

素因数の和:11854

約数の個数: 32

約数和(自身を含む): 39742080

約数和(自身を除く): 18985695

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11827, 35481, 59135, 106443, 153751, 177405, 319329, 461253, 532215, 768755, 1383759, 1596645, 2306265, 4151277, 6918795, 20756385]

約数ペア:

[(1, 20756385), (3, 6918795), (5, 4151277), (9, 2306265), (13, 1596645), (15, 1383759), (27, 768755), (39, 532215), (45, 461253), (65, 319329), (117, 177405), (135, 153751), (195, 106443), (351, 59135), (585, 35481), (1755, 11827)]