20479255920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3160379}}^1$

素因数の和:3160404

約数の個数: 100

約数和(自身を含む): 71127512280

約数和(自身を除く): 50648256360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3160379, 6320758, 9481137, 12641516, 15801895, 18962274, 25283032, 28443411, 31603790, 37924548, 47405685, 50566064, 56886822, 63207580, 75849096, 85330233, 94811370, 113773644, 126415160, 142217055, 151698192, 170660466, 189622740, 227547288, 252830320, 255990699, 284434110, 341320932, 379245480, 426651165, 455094576, 511981398, 568868220, 682641864, 758490960, 853302330, 1023962796, 1137736440, 1279953495, 1365283728, 1706604660, 2047925592, 2275472880, 2559906990, 3413209320, 4095851184, 5119813980, 6826418640, 10239627960, 20479255920]

約数ペア:

[(1, 20479255920), (2, 10239627960), (3, 6826418640), (4, 5119813980), (5, 4095851184), (6, 3413209320), (8, 2559906990), (9, 2275472880), (10, 2047925592), (12, 1706604660), (15, 1365283728), (16, 1279953495), (18, 1137736440), (20, 1023962796), (24, 853302330), (27, 758490960), (30, 682641864), (36, 568868220), (40, 511981398), (45, 455094576), (48, 426651165), (54, 379245480), (60, 341320932), (72, 284434110), (80, 255990699), (81, 252830320), (90, 227547288), (108, 189622740), (120, 170660466), (135, 151698192), (144, 142217055), (162, 126415160), (180, 113773644), (216, 94811370), (240, 85330233), (270, 75849096), (324, 63207580), (360, 56886822), (405, 50566064), (432, 47405685), (540, 37924548), (648, 31603790), (720, 28443411), (810, 25283032), (1080, 18962274), (1296, 15801895), (1620, 12641516), (2160, 9481137), (3240, 6320758), (6480, 3160379)]