20788524

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15607}}^1$

素因数の和:15654

約数の個数: 36

約数和(自身を含む): 53972464

約数和(自身を除く): 33183940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15607, 31214, 46821, 62428, 93642, 140463, 187284, 280926, 561852, 577459, 1154918, 1732377, 2309836, 3464754, 5197131, 6929508, 10394262, 20788524]

約数ペア:

[(1, 20788524), (2, 10394262), (3, 6929508), (4, 5197131), (6, 3464754), (9, 2309836), (12, 1732377), (18, 1154918), (36, 577459), (37, 561852), (74, 280926), (111, 187284), (148, 140463), (222, 93642), (333, 62428), (444, 46821), (666, 31214), (1332, 15607)]