20820936

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23447}}^1$

素因数の和:23493

約数の個数: 32

約数和(自身を含む): 53461440

約数和(自身を除く): 32640504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23447, 46894, 70341, 93788, 140682, 187576, 281364, 562728, 867539, 1735078, 2602617, 3470156, 5205234, 6940312, 10410468, 20820936]

約数ペア:

[(1, 20820936), (2, 10410468), (3, 6940312), (4, 5205234), (6, 3470156), (8, 2602617), (12, 1735078), (24, 867539), (37, 562728), (74, 281364), (111, 187576), (148, 140682), (222, 93788), (296, 70341), (444, 46894), (888, 23447)]