20813109744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1440553}}^1$

素因数の和:1440614

約数の個数: 80

約数和(自身を含む): 62877300992

約数和(自身を除く): 42064191248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1806, 2064, 2408, 3612, 4816, 7224, 14448, 1440553, 2881106, 4321659, 5762212, 8643318, 10083871, 11524424, 17286636, 20167742, 23048848, 30251613, 34573272, 40335484, 60503226, 61943779, 69146544, 80670968, 121006452, 123887558, 161341936, 185831337, 242012904, 247775116, 371662674, 433606453, 484025808, 495550232, 743325348, 867212906, 991100464, 1300819359, 1486650696, 1734425812, 2601638718, 2973301392, 3468851624, 5203277436, 6937703248, 10406554872, 20813109744]

約数ペア:

[(1, 20813109744), (2, 10406554872), (3, 6937703248), (4, 5203277436), (6, 3468851624), (7, 2973301392), (8, 2601638718), (12, 1734425812), (14, 1486650696), (16, 1300819359), (21, 991100464), (24, 867212906), (28, 743325348), (42, 495550232), (43, 484025808), (48, 433606453), (56, 371662674), (84, 247775116), (86, 242012904), (112, 185831337), (129, 161341936), (168, 123887558), (172, 121006452), (258, 80670968), (301, 69146544), (336, 61943779), (344, 60503226), (516, 40335484), (602, 34573272), (688, 30251613), (903, 23048848), (1032, 20167742), (1204, 17286636), (1806, 11524424), (2064, 10083871), (2408, 8643318), (3612, 5762212), (4816, 4321659), (7224, 2881106), (14448, 1440553)]