20727804944

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{17327}}^1$

素因数の和:18324

約数の個数: 80

約数和(自身を含む): 50124220416

約数和(自身を除く): 29396415472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 971, 1232, 1942, 3884, 6797, 7768, 10681, 13594, 15536, 17327, 21362, 27188, 34654, 42724, 54376, 69308, 74767, 85448, 108752, 121289, 138616, 149534, 170896, 190597, 242578, 277232, 299068, 381194, 485156, 598136, 762388, 970312, 1196272, 1334179, 1524776, 1940624, 2668358, 3049552, 5336716, 10673432, 16824517, 21346864, 33649034, 67298068, 117771619, 134596136, 185069687, 235543238, 269192272, 370139374, 471086476, 740278748, 942172952, 1295487809, 1480557496, 1884345904, 2590975618, 2961114992, 5181951236, 10363902472, 20727804944]

約数ペア:

[(1, 20727804944), (2, 10363902472), (4, 5181951236), (7, 2961114992), (8, 2590975618), (11, 1884345904), (14, 1480557496), (16, 1295487809), (22, 942172952), (28, 740278748), (44, 471086476), (56, 370139374), (77, 269192272), (88, 235543238), (112, 185069687), (154, 134596136), (176, 117771619), (308, 67298068), (616, 33649034), (971, 21346864), (1232, 16824517), (1942, 10673432), (3884, 5336716), (6797, 3049552), (7768, 2668358), (10681, 1940624), (13594, 1524776), (15536, 1334179), (17327, 1196272), (21362, 970312), (27188, 762388), (34654, 598136), (42724, 485156), (54376, 381194), (69308, 299068), (74767, 277232), (85448, 242578), (108752, 190597), (121289, 170896), (138616, 149534)]