20802531344

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{434981}}^1$

素因数の和:435064

約数の個数: 60

約数和(自身を含む): 47654018028

約数和(自身を除く): 26851486684

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 488, 784, 854, 976, 1708, 2989, 3416, 5978, 6832, 11956, 23912, 47824, 434981, 869962, 1739924, 3044867, 3479848, 6089734, 6959696, 12179468, 21314069, 24358936, 26533841, 42628138, 48717872, 53067682, 85256276, 106135364, 170512552, 185736887, 212270728, 341025104, 371473774, 424541456, 742947548, 1300158209, 1485895096, 2600316418, 2971790192, 5200632836, 10401265672, 20802531344]

約数ペア:

[(1, 20802531344), (2, 10401265672), (4, 5200632836), (7, 2971790192), (8, 2600316418), (14, 1485895096), (16, 1300158209), (28, 742947548), (49, 424541456), (56, 371473774), (61, 341025104), (98, 212270728), (112, 185736887), (122, 170512552), (196, 106135364), (244, 85256276), (392, 53067682), (427, 48717872), (488, 42628138), (784, 26533841), (854, 24358936), (976, 21314069), (1708, 12179468), (2989, 6959696), (3416, 6089734), (5978, 3479848), (6832, 3044867), (11956, 1739924), (23912, 869962), (47824, 434981)]