20956763744

素因数分解:

$2^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{219103}}^1$

素因数の和:219188

約数の個数: 72

約数和(自身を含む): 48781752768

約数和(自身を除く): 27824989024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 98, 112, 122, 196, 224, 244, 392, 427, 488, 784, 854, 976, 1568, 1708, 1952, 2989, 3416, 5978, 6832, 11956, 13664, 23912, 47824, 95648, 219103, 438206, 876412, 1533721, 1752824, 3067442, 3505648, 6134884, 7011296, 10736047, 12269768, 13365283, 21472094, 24539536, 26730566, 42944188, 49079072, 53461132, 85888376, 93556981, 106922264, 171776752, 187113962, 213844528, 343553504, 374227924, 427689056, 654898867, 748455848, 1309797734, 1496911696, 2619595468, 2993823392, 5239190936, 10478381872, 20956763744]

約数ペア:

[(1, 20956763744), (2, 10478381872), (4, 5239190936), (7, 2993823392), (8, 2619595468), (14, 1496911696), (16, 1309797734), (28, 748455848), (32, 654898867), (49, 427689056), (56, 374227924), (61, 343553504), (98, 213844528), (112, 187113962), (122, 171776752), (196, 106922264), (224, 93556981), (244, 85888376), (392, 53461132), (427, 49079072), (488, 42944188), (784, 26730566), (854, 24539536), (976, 21472094), (1568, 13365283), (1708, 12269768), (1952, 10736047), (2989, 7011296), (3416, 6134884), (5978, 3505648), (6832, 3067442), (11956, 1752824), (13664, 1533721), (23912, 876412), (47824, 438206), (95648, 219103)]