20195778848

素因数分解:

$2^5\times 7^2\times {\mathrm{2711}}^1\times {\mathrm{4751}}^1$

素因数の和:7486

約数の個数: 72

約数和(自身を含む): 46278739584

約数和(自身を除く): 26082960736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 2711, 4751, 5422, 9502, 10844, 18977, 19004, 21688, 33257, 37954, 38008, 43376, 66514, 75908, 76016, 86752, 132839, 133028, 151816, 152032, 232799, 265678, 266056, 303632, 465598, 531356, 532112, 607264, 931196, 1062712, 1064224, 1862392, 2125424, 3724784, 4250848, 7449568, 12879961, 25759922, 51519844, 90159727, 103039688, 180319454, 206079376, 360638908, 412158752, 631118089, 721277816, 1262236178, 1442555632, 2524472356, 2885111264, 5048944712, 10097889424, 20195778848]

約数ペア:

[(1, 20195778848), (2, 10097889424), (4, 5048944712), (7, 2885111264), (8, 2524472356), (14, 1442555632), (16, 1262236178), (28, 721277816), (32, 631118089), (49, 412158752), (56, 360638908), (98, 206079376), (112, 180319454), (196, 103039688), (224, 90159727), (392, 51519844), (784, 25759922), (1568, 12879961), (2711, 7449568), (4751, 4250848), (5422, 3724784), (9502, 2125424), (10844, 1862392), (18977, 1064224), (19004, 1062712), (21688, 931196), (33257, 607264), (37954, 532112), (38008, 531356), (43376, 465598), (66514, 303632), (75908, 266056), (76016, 265678), (86752, 232799), (132839, 152032), (133028, 151816)]