20187868959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{7621}}^1$

素因数の和:7908

約数の個数: 48

約数和(自身を含む): 31048003584

約数和(自身を除く): 10860134625

約数列:

[1, 3, 9, 23, 67, 69, 191, 201, 207, 573, 603, 1541, 1719, 4393, 4623, 7621, 12797, 13179, 13869, 22863, 38391, 39537, 68589, 115173, 175283, 294331, 510607, 525849, 882993, 1455611, 1531821, 1577547, 2648979, 4366833, 4595463, 11743961, 13100499, 33479053, 35231883, 97525937, 100437159, 105695649, 292577811, 301311477, 877733433, 2243096551, 6729289653, 20187868959]

約数ペア:

[(1, 20187868959), (3, 6729289653), (9, 2243096551), (23, 877733433), (67, 301311477), (69, 292577811), (191, 105695649), (201, 100437159), (207, 97525937), (573, 35231883), (603, 33479053), (1541, 13100499), (1719, 11743961), (4393, 4595463), (4623, 4366833), (7621, 2648979), (12797, 1577547), (13179, 1531821), (13869, 1455611), (22863, 882993), (38391, 525849), (39537, 510607), (68589, 294331), (115173, 175283)]