20516020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146543}}^1$

素因数の和:146559

約数の個数: 24

約数和(自身を含む): 49238784

約数和(自身を除く): 28722764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146543, 293086, 586172, 732715, 1025801, 1465430, 2051602, 2930860, 4103204, 5129005, 10258010, 20516020]

約数ペア:

[(1, 20516020), (2, 10258010), (4, 5129005), (5, 4103204), (7, 2930860), (10, 2051602), (14, 1465430), (20, 1025801), (28, 732715), (35, 586172), (70, 293086), (140, 146543)]