20996538

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 43411200

約数和(自身を除く): 22414662

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 271, 349, 542, 698, 813, 1047, 1626, 2094, 10027, 12913, 20054, 25826, 30081, 38739, 60162, 77478, 94579, 189158, 283737, 567474, 3499423, 6998846, 10498269, 20996538]

約数ペア:

[(1, 20996538), (2, 10498269), (3, 6998846), (6, 3499423), (37, 567474), (74, 283737), (111, 189158), (222, 94579), (271, 77478), (349, 60162), (542, 38739), (698, 30081), (813, 25826), (1047, 20054), (1626, 12913), (2094, 10027)]