27741020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32257}}^1$

素因数の和:32309

約数の個数: 24

約数和(自身を含む): 59612784

約数和(自身を除く): 31871764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 32257, 64514, 129028, 161285, 322570, 645140, 1387051, 2774102, 5548204, 6935255, 13870510, 27741020]

約数ペア:

[(1, 27741020), (2, 13870510), (4, 6935255), (5, 5548204), (10, 2774102), (20, 1387051), (43, 645140), (86, 322570), (172, 161285), (215, 129028), (430, 64514), (860, 32257)]