20287026

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 45811584

約数和(自身を除く): 25524558

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 83, 111, 166, 222, 249, 333, 367, 498, 666, 734, 747, 1101, 1494, 2202, 3071, 3303, 6142, 6606, 9213, 13579, 18426, 27158, 27639, 30461, 40737, 55278, 60922, 81474, 91383, 122211, 182766, 244422, 274149, 548298, 1127057, 2254114, 3381171, 6762342, 10143513, 20287026]

約数ペア:

[(1, 20287026), (2, 10143513), (3, 6762342), (6, 3381171), (9, 2254114), (18, 1127057), (37, 548298), (74, 274149), (83, 244422), (111, 182766), (166, 122211), (222, 91383), (249, 81474), (333, 60922), (367, 55278), (498, 40737), (666, 30461), (734, 27639), (747, 27158), (1101, 18426), (1494, 13579), (2202, 9213), (3071, 6606), (3303, 6142)]