20201863916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1119589}}^1$

素因数の和:1119953

約数の個数: 24

約数和(自身を含む): 38182497360

約数和(自身を除く): 17980633444

約数列:

[1, 2, 4, 13, 26, 52, 347, 694, 1388, 4511, 9022, 18044, 1119589, 2239178, 4478356, 14554657, 29109314, 58218628, 388497383, 776994766, 1553989532, 5050465979, 10100931958, 20201863916]

約数ペア:

[(1, 20201863916), (2, 10100931958), (4, 5050465979), (13, 1553989532), (26, 776994766), (52, 388497383), (347, 58218628), (694, 29109314), (1388, 14554657), (4511, 4478356), (9022, 2239178), (18044, 1119589)]