20740136088

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1\times {\mathrm{3061}}^1$

素因数の和:4409

約数の個数: 128

約数和(自身を含む): 61236080640

約数和(自身を除く): 40495944552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1301, 1302, 1736, 2602, 2604, 3061, 3903, 5204, 5208, 6122, 7806, 9107, 9183, 10408, 12244, 15612, 18214, 18366, 21427, 24488, 27321, 31224, 36428, 36732, 40331, 42854, 54642, 64281, 72856, 73464, 80662, 85708, 94891, 109284, 120993, 128562, 161324, 171416, 189782, 218568, 241986, 257124, 282317, 284673, 322648, 379564, 483972, 514248, 564634, 569346, 664237, 759128, 846951, 967944, 1129268, 1138692, 1328474, 1693902, 1992711, 2258536, 2277384, 2656948, 3387804, 3982361, 3985422, 5313896, 6775608, 7964722, 7970844, 11947083, 15929444, 15941688, 23894166, 27876527, 31858888, 47788332, 55753054, 83629581, 95576664, 111506108, 123453191, 167259162, 223012216, 246906382, 334518324, 370359573, 493812764, 669036648, 740719146, 864172337, 987625528, 1481438292, 1728344674, 2592517011, 2962876584, 3456689348, 5185034022, 6913378696, 10370068044, 20740136088]

約数ペア:

[(1, 20740136088), (2, 10370068044), (3, 6913378696), (4, 5185034022), (6, 3456689348), (7, 2962876584), (8, 2592517011), (12, 1728344674), (14, 1481438292), (21, 987625528), (24, 864172337), (28, 740719146), (31, 669036648), (42, 493812764), (56, 370359573), (62, 334518324), (84, 246906382), (93, 223012216), (124, 167259162), (168, 123453191), (186, 111506108), (217, 95576664), (248, 83629581), (372, 55753054), (434, 47788332), (651, 31858888), (744, 27876527), (868, 23894166), (1301, 15941688), (1302, 15929444), (1736, 11947083), (2602, 7970844), (2604, 7964722), (3061, 6775608), (3903, 5313896), (5204, 3985422), (5208, 3982361), (6122, 3387804), (7806, 2656948), (9107, 2277384), (9183, 2258536), (10408, 1992711), (12244, 1693902), (15612, 1328474), (18214, 1138692), (18366, 1129268), (21427, 967944), (24488, 846951), (27321, 759128), (31224, 664237), (36428, 569346), (36732, 564634), (40331, 514248), (42854, 483972), (54642, 379564), (64281, 322648), (72856, 284673), (73464, 282317), (80662, 257124), (85708, 241986), (94891, 218568), (109284, 189782), (120993, 171416), (128562, 161324)]