20654496

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2518

約数の個数: 72

約数和(自身を含む): 60786180

約数和(自身を除く): 40131684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2473, 2784, 4176, 4946, 7419, 8352, 9892, 14838, 19784, 22257, 29676, 39568, 44514, 59352, 71717, 79136, 89028, 118704, 143434, 178056, 215151, 237408, 286868, 356112, 430302, 573736, 645453, 712224, 860604, 1147472, 1290906, 1721208, 2294944, 2581812, 3442416, 5163624, 6884832, 10327248, 20654496]

約数ペア:

[(1, 20654496), (2, 10327248), (3, 6884832), (4, 5163624), (6, 3442416), (8, 2581812), (9, 2294944), (12, 1721208), (16, 1290906), (18, 1147472), (24, 860604), (29, 712224), (32, 645453), (36, 573736), (48, 430302), (58, 356112), (72, 286868), (87, 237408), (96, 215151), (116, 178056), (144, 143434), (174, 118704), (232, 89028), (261, 79136), (288, 71717), (348, 59352), (464, 44514), (522, 39568), (696, 29676), (928, 22257), (1044, 19784), (1392, 14838), (2088, 9892), (2473, 8352), (2784, 7419), (4176, 4946)]