20189099480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{330103}}^1$

素因数の和:330264

約数の個数: 64

約数和(自身を含む): 49911724800

約数和(自身を除く): 29722625320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2780, 3058, 5560, 6116, 7645, 12232, 15290, 30580, 61160, 330103, 660206, 1320412, 1650515, 2640824, 3301030, 3631133, 6602060, 7262266, 13204120, 14524532, 18155665, 29049064, 36311330, 45884317, 72622660, 91768634, 145245320, 183537268, 229421585, 367074536, 458843170, 504727487, 917686340, 1009454974, 1835372680, 2018909948, 2523637435, 4037819896, 5047274870, 10094549740, 20189099480]

約数ペア:

[(1, 20189099480), (2, 10094549740), (4, 5047274870), (5, 4037819896), (8, 2523637435), (10, 2018909948), (11, 1835372680), (20, 1009454974), (22, 917686340), (40, 504727487), (44, 458843170), (55, 367074536), (88, 229421585), (110, 183537268), (139, 145245320), (220, 91768634), (278, 72622660), (440, 45884317), (556, 36311330), (695, 29049064), (1112, 18155665), (1390, 14524532), (1529, 13204120), (2780, 7262266), (3058, 6602060), (5560, 3631133), (6116, 3301030), (7645, 2640824), (12232, 1650515), (15290, 1320412), (30580, 660206), (61160, 330103)]