20126060900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{630911}}^1$

素因数の和:630965

約数の個数: 72

約数和(自身を含む): 49286845440

約数和(自身を除く): 29160784540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 31900, 630911, 1261822, 2523644, 3154555, 6309110, 6940021, 12618220, 13880042, 15772775, 18296419, 27760084, 31545550, 34700105, 36592838, 63091100, 69400210, 73185676, 91482095, 138800420, 173500525, 182964190, 201260609, 347001050, 365928380, 402521218, 457410475, 694002100, 805042436, 914820950, 1006303045, 1829641900, 2012606090, 4025212180, 5031515225, 10063030450, 20126060900]

約数ペア:

[(1, 20126060900), (2, 10063030450), (4, 5031515225), (5, 4025212180), (10, 2012606090), (11, 1829641900), (20, 1006303045), (22, 914820950), (25, 805042436), (29, 694002100), (44, 457410475), (50, 402521218), (55, 365928380), (58, 347001050), (100, 201260609), (110, 182964190), (116, 173500525), (145, 138800420), (220, 91482095), (275, 73185676), (290, 69400210), (319, 63091100), (550, 36592838), (580, 34700105), (638, 31545550), (725, 27760084), (1100, 18296419), (1276, 15772775), (1450, 13880042), (1595, 12618220), (2900, 6940021), (3190, 6309110), (6380, 3154555), (7975, 2523644), (15950, 1261822), (31900, 630911)]