200720212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{651689}}^1$

素因数の和:651711

約数の個数: 24

約数和(自身を含む): 437935680

約数和(自身を除く): 237215468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 651689, 1303378, 2606756, 4561823, 7168579, 9123646, 14337158, 18247292, 28674316, 50180053, 100360106, 200720212]

約数ペア:

[(1, 200720212), (2, 100360106), (4, 50180053), (7, 28674316), (11, 18247292), (14, 14337158), (22, 9123646), (28, 7168579), (44, 4561823), (77, 2606756), (154, 1303378), (308, 651689)]