20490156

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15383}}^1$

素因数の和:15430

約数の個数: 36

約数和(自身を含む): 53197872

約数和(自身を除く): 32707716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15383, 30766, 46149, 61532, 92298, 138447, 184596, 276894, 553788, 569171, 1138342, 1707513, 2276684, 3415026, 5122539, 6830052, 10245078, 20490156]

約数ペア:

[(1, 20490156), (2, 10245078), (3, 6830052), (4, 5122539), (6, 3415026), (9, 2276684), (12, 1707513), (18, 1138342), (36, 569171), (37, 553788), (74, 276894), (111, 184596), (148, 138447), (222, 92298), (333, 61532), (444, 46149), (666, 30766), (1332, 15383)]