20609200

素因数分解:

$2^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:854

約数の個数: 60

約数和(自身を含む): 50317960

約数和(自身を除く): 29708760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 134, 200, 268, 335, 400, 536, 670, 769, 1072, 1340, 1538, 1675, 2680, 3076, 3350, 3845, 5360, 6152, 6700, 7690, 12304, 13400, 15380, 19225, 26800, 30760, 38450, 51523, 61520, 76900, 103046, 153800, 206092, 257615, 307600, 412184, 515230, 824368, 1030460, 1288075, 2060920, 2576150, 4121840, 5152300, 10304600, 20609200]

約数ペア:

[(1, 20609200), (2, 10304600), (4, 5152300), (5, 4121840), (8, 2576150), (10, 2060920), (16, 1288075), (20, 1030460), (25, 824368), (40, 515230), (50, 412184), (67, 307600), (80, 257615), (100, 206092), (134, 153800), (200, 103046), (268, 76900), (335, 61520), (400, 51523), (536, 38450), (670, 30760), (769, 26800), (1072, 19225), (1340, 15380), (1538, 13400), (1675, 12304), (2680, 7690), (3076, 6700), (3350, 6152), (3845, 5360)]