20925054

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3491}}^1$

素因数の和:3542

約数の個数: 40

約数和(自身を含む): 48168648

約数和(自身を除く): 27243594

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3491, 5994, 6982, 10473, 20946, 31419, 62838, 94257, 129167, 188514, 258334, 282771, 387501, 565542, 775002, 1162503, 2325006, 3487509, 6975018, 10462527, 20925054]

約数ペア:

[(1, 20925054), (2, 10462527), (3, 6975018), (6, 3487509), (9, 2325006), (18, 1162503), (27, 775002), (37, 565542), (54, 387501), (74, 282771), (81, 258334), (111, 188514), (162, 129167), (222, 94257), (333, 62838), (666, 31419), (999, 20946), (1998, 10473), (2997, 6982), (3491, 5994)]