2020004075

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{3617}}^1$

素因数の和:3967

約数の個数: 24

約数和(自身を含む): 2543743440

約数和(自身を除く): 523739365

約数列:

[1, 5, 25, 89, 251, 445, 1255, 2225, 3617, 6275, 18085, 22339, 90425, 111695, 321913, 558475, 907867, 1609565, 4539335, 8047825, 22696675, 80800163, 404000815, 2020004075]

約数ペア:

[(1, 2020004075), (5, 404000815), (25, 80800163), (89, 22696675), (251, 8047825), (445, 4539335), (1255, 1609565), (2225, 907867), (3617, 558475), (6275, 321913), (18085, 111695), (22339, 90425)]