20748852

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8353}}^1$

素因数の和:8389

約数の個数: 48

約数和(自身を含む): 56138880

約数和(自身を除く): 35390028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8353, 16706, 25059, 33412, 50118, 75177, 100236, 150354, 192119, 225531, 300708, 384238, 451062, 576357, 768476, 902124, 1152714, 1729071, 2305428, 3458142, 5187213, 6916284, 10374426, 20748852]

約数ペア:

[(1, 20748852), (2, 10374426), (3, 6916284), (4, 5187213), (6, 3458142), (9, 2305428), (12, 1729071), (18, 1152714), (23, 902124), (27, 768476), (36, 576357), (46, 451062), (54, 384238), (69, 300708), (92, 225531), (108, 192119), (138, 150354), (207, 100236), (276, 75177), (414, 50118), (621, 33412), (828, 25059), (1242, 16706), (2484, 8353)]