20656030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17912930

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 470, 619, 710, 1238, 3095, 3337, 6190, 6674, 16685, 29093, 33370, 43949, 58186, 87898, 145465, 219745, 290930, 439490, 2065603, 4131206, 10328015, 20656030]

約数ペア:

[(1, 20656030), (2, 10328015), (5, 4131206), (10, 2065603), (47, 439490), (71, 290930), (94, 219745), (142, 145465), (235, 87898), (355, 58186), (470, 43949), (619, 33370), (710, 29093), (1238, 16685), (3095, 6674), (3337, 6190)]