20975780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149827}}^1$

素因数の和:149843

約数の個数: 24

約数和(自身を含む): 50342208

約数和(自身を除く): 29366428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149827, 299654, 599308, 749135, 1048789, 1498270, 2097578, 2996540, 4195156, 5243945, 10487890, 20975780]

約数ペア:

[(1, 20975780), (2, 10487890), (4, 5243945), (5, 4195156), (7, 2996540), (10, 2097578), (14, 1498270), (20, 1048789), (28, 749135), (35, 599308), (70, 299654), (140, 149827)]