20272374

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 45942000

約数和(自身を除く): 25669626

約数列:

[1, 2, 3, 6, 9, 18, 37, 61, 74, 111, 122, 183, 222, 333, 366, 499, 549, 666, 998, 1098, 1497, 2257, 2994, 4491, 4514, 6771, 8982, 13542, 18463, 20313, 30439, 36926, 40626, 55389, 60878, 91317, 110778, 166167, 182634, 273951, 332334, 547902, 1126243, 2252486, 3378729, 6757458, 10136187, 20272374]

約数ペア:

[(1, 20272374), (2, 10136187), (3, 6757458), (6, 3378729), (9, 2252486), (18, 1126243), (37, 547902), (61, 332334), (74, 273951), (111, 182634), (122, 166167), (183, 110778), (222, 91317), (333, 60878), (366, 55389), (499, 40626), (549, 36926), (666, 30439), (998, 20313), (1098, 18463), (1497, 13542), (2257, 8982), (2994, 6771), (4491, 4514)]