20180472021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{10169}}^1\times {\mathrm{9587}}^1$

素因数の和:19785

約数の個数: 24

約数和(自身を含む): 30423107520

約数和(自身を除く): 10242635499

約数列:

[1, 3, 9, 23, 69, 207, 9587, 10169, 28761, 30507, 86283, 91521, 220501, 233887, 661503, 701661, 1984509, 2104983, 97490203, 292470609, 877411827, 2242274669, 6726824007, 20180472021]

約数ペア:

[(1, 20180472021), (3, 6726824007), (9, 2242274669), (23, 877411827), (69, 292470609), (207, 97490203), (9587, 2104983), (10169, 1984509), (28761, 701661), (30507, 661503), (86283, 233887), (91521, 220501)]