20186950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 43327584

約数和(自身を除く): 23140634

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 137, 175, 274, 350, 421, 685, 842, 959, 1370, 1918, 2105, 2947, 3425, 4210, 4795, 5894, 6850, 9590, 10525, 14735, 21050, 23975, 29470, 47950, 57677, 73675, 115354, 147350, 288385, 403739, 576770, 807478, 1441925, 2018695, 2883850, 4037390, 10093475, 20186950]

約数ペア:

[(1, 20186950), (2, 10093475), (5, 4037390), (7, 2883850), (10, 2018695), (14, 1441925), (25, 807478), (35, 576770), (50, 403739), (70, 288385), (137, 147350), (175, 115354), (274, 73675), (350, 57677), (421, 47950), (685, 29470), (842, 23975), (959, 21050), (1370, 14735), (1918, 10525), (2105, 9590), (2947, 6850), (3425, 5894), (4210, 4795)]