20340972

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15271}}^1$

素因数の和:15318

約数の個数: 36

約数和(自身を含む): 52810576

約数和(自身を除く): 32469604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15271, 30542, 45813, 61084, 91626, 137439, 183252, 274878, 549756, 565027, 1130054, 1695081, 2260108, 3390162, 5085243, 6780324, 10170486, 20340972]

約数ペア:

[(1, 20340972), (2, 10170486), (3, 6780324), (4, 5085243), (6, 3390162), (9, 2260108), (12, 1695081), (18, 1130054), (36, 565027), (37, 549756), (74, 274878), (111, 183252), (148, 137439), (222, 91626), (333, 61084), (444, 45813), (666, 30542), (1332, 15271)]