219620020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{97177}}^1$

素因数の和:97299

約数の個数: 24

約数和(自身を含む): 465288264

約数和(自身を除く): 245668244

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 97177, 194354, 388708, 485885, 971770, 1943540, 10981001, 21962002, 43924004, 54905005, 109810010, 219620020]

約数ペア:

[(1, 219620020), (2, 109810010), (4, 54905005), (5, 43924004), (10, 21962002), (20, 10981001), (113, 1943540), (226, 971770), (452, 485885), (565, 388708), (1130, 194354), (2260, 97177)]