20790791728

素因数分解:

$2^4\times 7^2\times {\mathrm{337}}^1\times {\mathrm{78691}}^1$

素因数の和:79050

約数の個数: 60

約数和(自身を含む): 46998482232

約数和(自身を除く): 26207690504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 337, 392, 674, 784, 1348, 2359, 2696, 4718, 5392, 9436, 16513, 18872, 33026, 37744, 66052, 78691, 132104, 157382, 264208, 314764, 550837, 629528, 1101674, 1259056, 2203348, 3855859, 4406696, 7711718, 8813392, 15423436, 26518867, 30846872, 53037734, 61693744, 106075468, 185632069, 212150936, 371264138, 424301872, 742528276, 1299424483, 1485056552, 2598848966, 2970113104, 5197697932, 10395395864, 20790791728]

約数ペア:

[(1, 20790791728), (2, 10395395864), (4, 5197697932), (7, 2970113104), (8, 2598848966), (14, 1485056552), (16, 1299424483), (28, 742528276), (49, 424301872), (56, 371264138), (98, 212150936), (112, 185632069), (196, 106075468), (337, 61693744), (392, 53037734), (674, 30846872), (784, 26518867), (1348, 15423436), (2359, 8813392), (2696, 7711718), (4718, 4406696), (5392, 3855859), (9436, 2203348), (16513, 1259056), (18872, 1101674), (33026, 629528), (37744, 550837), (66052, 314764), (78691, 264208), (132104, 157382)]