20500579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 23408640

約数和(自身を除く): 2908061

約数列:

[1, 11, 31, 79, 341, 761, 869, 2449, 8371, 23591, 26939, 60119, 259501, 661309, 1863689, 20500579]

約数ペア:

[(1, 20500579), (11, 1863689), (31, 661309), (79, 259501), (341, 60119), (761, 26939), (869, 23591), (2449, 8371)]