20654556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4271}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 53587968

約数和(自身を除く): 32933412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4271, 4836, 8542, 12813, 17084, 25626, 51252, 55523, 111046, 132401, 166569, 222092, 264802, 333138, 397203, 529604, 666276, 794406, 1588812, 1721213, 3442426, 5163639, 6884852, 10327278, 20654556]

約数ペア:

[(1, 20654556), (2, 10327278), (3, 6884852), (4, 5163639), (6, 3442426), (12, 1721213), (13, 1588812), (26, 794406), (31, 666276), (39, 529604), (52, 397203), (62, 333138), (78, 264802), (93, 222092), (124, 166569), (156, 132401), (186, 111046), (372, 55523), (403, 51252), (806, 25626), (1209, 17084), (1612, 12813), (2418, 8542), (4271, 4836)]