20778689664

素因数分解:

$2^7\times 3^2\times {\mathrm{139}}^1\times {\mathrm{129763}}^1$

素因数の和:129922

約数の個数: 96

約数和(自身を含む): 60223472400

約数和(自身を除く): 39444782736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 139, 144, 192, 278, 288, 384, 417, 556, 576, 834, 1112, 1152, 1251, 1668, 2224, 2502, 3336, 4448, 5004, 6672, 8896, 10008, 13344, 17792, 20016, 26688, 40032, 53376, 80064, 129763, 160128, 259526, 389289, 519052, 778578, 1038104, 1167867, 1557156, 2076208, 2335734, 3114312, 4152416, 4671468, 6228624, 8304832, 9342936, 12457248, 16609664, 18037057, 18685872, 24914496, 36074114, 37371744, 49828992, 54111171, 72148228, 74743488, 108222342, 144296456, 149486976, 162333513, 216444684, 288592912, 324667026, 432889368, 577185824, 649334052, 865778736, 1154371648, 1298668104, 1731557472, 2308743296, 2597336208, 3463114944, 5194672416, 6926229888, 10389344832, 20778689664]

約数ペア:

[(1, 20778689664), (2, 10389344832), (3, 6926229888), (4, 5194672416), (6, 3463114944), (8, 2597336208), (9, 2308743296), (12, 1731557472), (16, 1298668104), (18, 1154371648), (24, 865778736), (32, 649334052), (36, 577185824), (48, 432889368), (64, 324667026), (72, 288592912), (96, 216444684), (128, 162333513), (139, 149486976), (144, 144296456), (192, 108222342), (278, 74743488), (288, 72148228), (384, 54111171), (417, 49828992), (556, 37371744), (576, 36074114), (834, 24914496), (1112, 18685872), (1152, 18037057), (1251, 16609664), (1668, 12457248), (2224, 9342936), (2502, 8304832), (3336, 6228624), (4448, 4671468), (5004, 4152416), (6672, 3114312), (8896, 2335734), (10008, 2076208), (13344, 1557156), (17792, 1167867), (20016, 1038104), (26688, 778578), (40032, 519052), (53376, 389289), (80064, 259526), (129763, 160128)]