20218181254

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1\times {\mathrm{4127}}^1$

素因数の和:4704

約数の個数: 32

約数和(自身を含む): 31256720640

約数和(自身を除く): 11038539386

約数列:

[1, 2, 53, 106, 113, 226, 409, 818, 4127, 5989, 8254, 11978, 21677, 43354, 46217, 92434, 218731, 437462, 466351, 932702, 1687943, 2449501, 3375886, 4899002, 24716603, 49433206, 89460979, 178921958, 190737559, 381475118, 10109090627, 20218181254]

約数ペア:

[(1, 20218181254), (2, 10109090627), (53, 381475118), (106, 190737559), (113, 178921958), (226, 89460979), (409, 49433206), (818, 24716603), (4127, 4899002), (5989, 3375886), (8254, 2449501), (11978, 1687943), (21677, 932702), (43354, 466351), (46217, 437462), (92434, 218731)]