20178559772

素因数分解:

$2^2\times 7^1\times {\mathrm{2179}}^1\times {\mathrm{330731}}^1$

素因数の和:332921

約数の個数: 24

約数和(自身を含む): 40375762560

約数和(自身を除く): 20197202788

約数列:

[1, 2, 4, 7, 14, 28, 2179, 4358, 8716, 15253, 30506, 61012, 330731, 661462, 1322924, 2315117, 4630234, 9260468, 720662849, 1441325698, 2882651396, 5044639943, 10089279886, 20178559772]

約数ペア:

[(1, 20178559772), (2, 10089279886), (4, 5044639943), (7, 2882651396), (14, 1441325698), (28, 720662849), (2179, 9260468), (4358, 4630234), (8716, 2315117), (15253, 1322924), (30506, 661462), (61012, 330731)]