20225520336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{142981}}^1$

素因数の和:143420

約数の個数: 80

約数和(自身を含む): 59855696768

約数和(自身を除く): 39630176432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 421, 842, 1263, 1684, 2526, 2947, 3368, 5052, 5894, 6736, 8841, 10104, 11788, 17682, 20208, 23576, 35364, 47152, 70728, 141456, 142981, 285962, 428943, 571924, 857886, 1000867, 1143848, 1715772, 2001734, 2287696, 3002601, 3431544, 4003468, 6005202, 6863088, 8006936, 12010404, 16013872, 24020808, 48041616, 60195001, 120390002, 180585003, 240780004, 361170006, 421365007, 481560008, 722340012, 842730014, 963120016, 1264095021, 1444680024, 1685460028, 2528190042, 2889360048, 3370920056, 5056380084, 6741840112, 10112760168, 20225520336]

約数ペア:

[(1, 20225520336), (2, 10112760168), (3, 6741840112), (4, 5056380084), (6, 3370920056), (7, 2889360048), (8, 2528190042), (12, 1685460028), (14, 1444680024), (16, 1264095021), (21, 963120016), (24, 842730014), (28, 722340012), (42, 481560008), (48, 421365007), (56, 361170006), (84, 240780004), (112, 180585003), (168, 120390002), (336, 60195001), (421, 48041616), (842, 24020808), (1263, 16013872), (1684, 12010404), (2526, 8006936), (2947, 6863088), (3368, 6005202), (5052, 4003468), (5894, 3431544), (6736, 3002601), (8841, 2287696), (10104, 2001734), (11788, 1715772), (17682, 1143848), (20208, 1000867), (23576, 857886), (35364, 571924), (47152, 428943), (70728, 285962), (141456, 142981)]