20387346265

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{18127}}^1$

素因数の和:18191

約数の個数: 48

約数和(自身を含む): 29140252416

約数和(自身を除く): 8752906151

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 169, 605, 715, 845, 1331, 1573, 1859, 6655, 7865, 9295, 17303, 18127, 20449, 86515, 90635, 102245, 199397, 224939, 235651, 996985, 1124695, 1178255, 2193367, 2592161, 3063463, 10966835, 12960805, 15317315, 24127037, 28513771, 33698093, 120635185, 142568855, 168490465, 313651481, 370679023, 1568257405, 1853395115, 4077469253, 20387346265]

約数ペア:

[(1, 20387346265), (5, 4077469253), (11, 1853395115), (13, 1568257405), (55, 370679023), (65, 313651481), (121, 168490465), (143, 142568855), (169, 120635185), (605, 33698093), (715, 28513771), (845, 24127037), (1331, 15317315), (1573, 12960805), (1859, 10966835), (6655, 3063463), (7865, 2592161), (9295, 2193367), (17303, 1178255), (18127, 1124695), (20449, 996985), (86515, 235651), (90635, 224939), (102245, 199397)]