20178468

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15149}}^1$

素因数の和:15196

約数の個数: 36

約数和(自身を含む): 52388700

約数和(自身を除く): 32210232

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15149, 30298, 45447, 60596, 90894, 136341, 181788, 272682, 545364, 560513, 1121026, 1681539, 2242052, 3363078, 5044617, 6726156, 10089234, 20178468]

約数ペア:

[(1, 20178468), (2, 10089234), (3, 6726156), (4, 5044617), (6, 3363078), (9, 2242052), (12, 1681539), (18, 1121026), (36, 560513), (37, 545364), (74, 272682), (111, 181788), (148, 136341), (222, 90894), (333, 60596), (444, 45447), (666, 30298), (1332, 15149)]