17240020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{123143}}^1$

素因数の和:123159

約数の個数: 24

約数和(自身を含む): 41376384

約数和(自身を除く): 24136364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 123143, 246286, 492572, 615715, 862001, 1231430, 1724002, 2462860, 3448004, 4310005, 8620010, 17240020]

約数ペア:

[(1, 17240020), (2, 8620010), (4, 4310005), (5, 3448004), (7, 2462860), (10, 1724002), (14, 1231430), (20, 862001), (28, 615715), (35, 492572), (70, 246286), (140, 123143)]