22700020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{162143}}^1$

素因数の和:162159

約数の個数: 24

約数和(自身を含む): 54480384

約数和(自身を除く): 31780364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 162143, 324286, 648572, 810715, 1135001, 1621430, 2270002, 3242860, 4540004, 5675005, 11350010, 22700020]

約数ペア:

[(1, 22700020), (2, 11350010), (4, 5675005), (5, 4540004), (7, 3242860), (10, 2270002), (14, 1621430), (20, 1135001), (28, 810715), (35, 648572), (70, 324286), (140, 162143)]