20428992

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1270

約数の個数: 84

約数和(自身を含む): 60624720

約数和(自身を除く): 40195728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 144, 174, 192, 232, 261, 288, 348, 464, 522, 576, 696, 928, 1044, 1223, 1392, 1856, 2088, 2446, 2784, 3669, 4176, 4892, 5568, 7338, 8352, 9784, 11007, 14676, 16704, 19568, 22014, 29352, 35467, 39136, 44028, 58704, 70934, 78272, 88056, 106401, 117408, 141868, 176112, 212802, 234816, 283736, 319203, 352224, 425604, 567472, 638406, 704448, 851208, 1134944, 1276812, 1702416, 2269888, 2553624, 3404832, 5107248, 6809664, 10214496, 20428992]

約数ペア:

[(1, 20428992), (2, 10214496), (3, 6809664), (4, 5107248), (6, 3404832), (8, 2553624), (9, 2269888), (12, 1702416), (16, 1276812), (18, 1134944), (24, 851208), (29, 704448), (32, 638406), (36, 567472), (48, 425604), (58, 352224), (64, 319203), (72, 283736), (87, 234816), (96, 212802), (116, 176112), (144, 141868), (174, 117408), (192, 106401), (232, 88056), (261, 78272), (288, 70934), (348, 58704), (464, 44028), (522, 39136), (576, 35467), (696, 29352), (928, 22014), (1044, 19568), (1223, 16704), (1392, 14676), (1856, 11007), (2088, 9784), (2446, 8352), (2784, 7338), (3669, 5568), (4176, 4892)]