2020126075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6553}}^1$

素因数の和:6652

約数の個数: 48

約数和(自身を含む): 2925705600

約数和(自身を除く): 905579525

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 209, 275, 295, 475, 649, 1045, 1121, 1475, 3245, 5225, 5605, 6553, 12331, 16225, 28025, 32765, 61655, 72083, 124507, 163825, 308275, 360415, 386627, 622535, 1369577, 1802075, 1933135, 3112675, 4252897, 6847885, 7345913, 9665675, 21264485, 34239425, 36729565, 80805043, 106322425, 183647825, 404025215, 2020126075]

約数ペア:

[(1, 2020126075), (5, 404025215), (11, 183647825), (19, 106322425), (25, 80805043), (55, 36729565), (59, 34239425), (95, 21264485), (209, 9665675), (275, 7345913), (295, 6847885), (475, 4252897), (649, 3112675), (1045, 1933135), (1121, 1802075), (1475, 1369577), (3245, 622535), (5225, 386627), (5605, 360415), (6553, 308275), (12331, 163825), (16225, 124507), (28025, 72083), (32765, 61655)]