20493276

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1882

約数の個数: 48

約数和(自身を含む): 51141888

約数和(自身を除く): 30648612

約数列:

[1, 2, 3, 4, 6, 12, 23, 41, 46, 69, 82, 92, 123, 138, 164, 246, 276, 492, 943, 1811, 1886, 2829, 3622, 3772, 5433, 5658, 7244, 10866, 11316, 21732, 41653, 74251, 83306, 124959, 148502, 166612, 222753, 249918, 297004, 445506, 499836, 891012, 1707773, 3415546, 5123319, 6831092, 10246638, 20493276]

約数ペア:

[(1, 20493276), (2, 10246638), (3, 6831092), (4, 5123319), (6, 3415546), (12, 1707773), (23, 891012), (41, 499836), (46, 445506), (69, 297004), (82, 249918), (92, 222753), (123, 166612), (138, 148502), (164, 124959), (246, 83306), (276, 74251), (492, 41653), (943, 21732), (1811, 11316), (1886, 10866), (2829, 7244), (3622, 5658), (3772, 5433)]