20551578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 44331840

約数和(自身を除く): 23780262

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 779, 1558, 2337, 4397, 4674, 8794, 13191, 26382, 83543, 167086, 180277, 250629, 360554, 501258, 540831, 1081662, 3425263, 6850526, 10275789, 20551578]

約数ペア:

[(1, 20551578), (2, 10275789), (3, 6850526), (6, 3425263), (19, 1081662), (38, 540831), (41, 501258), (57, 360554), (82, 250629), (114, 180277), (123, 167086), (246, 83543), (779, 26382), (1558, 13191), (2337, 8794), (4397, 4674)]