20219268520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3557}}^1\times {\mathrm{12919}}^1$

素因数の和:16498

約数の個数: 64

約数和(自身を含む): 49646908800

約数和(自身を除く): 29427640280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3557, 7114, 12919, 14228, 17785, 25838, 28456, 35570, 39127, 51676, 64595, 71140, 78254, 103352, 129190, 142109, 142280, 156508, 195635, 258380, 284218, 313016, 391270, 516760, 568436, 710545, 782540, 1136872, 1421090, 1565080, 2842180, 5684360, 45952883, 91905766, 183811532, 229764415, 367623064, 459528830, 505481713, 919057660, 1010963426, 1838115320, 2021926852, 2527408565, 4043853704, 5054817130, 10109634260, 20219268520]

約数ペア:

[(1, 20219268520), (2, 10109634260), (4, 5054817130), (5, 4043853704), (8, 2527408565), (10, 2021926852), (11, 1838115320), (20, 1010963426), (22, 919057660), (40, 505481713), (44, 459528830), (55, 367623064), (88, 229764415), (110, 183811532), (220, 91905766), (440, 45952883), (3557, 5684360), (7114, 2842180), (12919, 1565080), (14228, 1421090), (17785, 1136872), (25838, 782540), (28456, 710545), (35570, 568436), (39127, 516760), (51676, 391270), (64595, 313016), (71140, 284218), (78254, 258380), (103352, 195635), (129190, 156508), (142109, 142280)]