20087660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12101}}^1$

素因数の和:12193

約数の個数: 24

約数和(自身を含む): 42695856

約数和(自身を除く): 22608196

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12101, 24202, 48404, 60505, 121010, 242020, 1004383, 2008766, 4017532, 5021915, 10043830, 20087660]

約数ペア:

[(1, 20087660), (2, 10043830), (4, 5021915), (5, 4017532), (10, 2008766), (20, 1004383), (83, 242020), (166, 121010), (332, 60505), (415, 48404), (830, 24202), (1660, 12101)]