20131521872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1193}}^1\times {\mathrm{13697}}^1$

素因数の和:14916

約数の個数: 80

約数和(自身を含む): 48673706112

約数和(自身を除く): 28542184240

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1193, 1232, 2386, 4772, 8351, 9544, 13123, 13697, 16702, 19088, 26246, 27394, 33404, 52492, 54788, 66808, 91861, 95879, 104984, 109576, 133616, 150667, 183722, 191758, 209968, 219152, 301334, 367444, 383516, 602668, 734888, 767032, 1054669, 1205336, 1469776, 1534064, 2109338, 2410672, 4218676, 8437352, 16340521, 16874704, 32681042, 65362084, 114383647, 130724168, 179745731, 228767294, 261448336, 359491462, 457534588, 718982924, 915069176, 1258220117, 1437965848, 1830138352, 2516440234, 2875931696, 5032880468, 10065760936, 20131521872]

約数ペア:

[(1, 20131521872), (2, 10065760936), (4, 5032880468), (7, 2875931696), (8, 2516440234), (11, 1830138352), (14, 1437965848), (16, 1258220117), (22, 915069176), (28, 718982924), (44, 457534588), (56, 359491462), (77, 261448336), (88, 228767294), (112, 179745731), (154, 130724168), (176, 114383647), (308, 65362084), (616, 32681042), (1193, 16874704), (1232, 16340521), (2386, 8437352), (4772, 4218676), (8351, 2410672), (9544, 2109338), (13123, 1534064), (13697, 1469776), (16702, 1205336), (19088, 1054669), (26246, 767032), (27394, 734888), (33404, 602668), (52492, 383516), (54788, 367444), (66808, 301334), (91861, 219152), (95879, 209968), (104984, 191758), (109576, 183722), (133616, 150667)]