20319712

素因数分解:

$2^5\times 7^2\times {\mathrm{12959}}^1$

素因数の和:12983

約数の個数: 36

約数和(自身を含む): 46539360

約数和(自身を除く): 26219648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12959, 25918, 51836, 90713, 103672, 181426, 207344, 362852, 414688, 634991, 725704, 1269982, 1451408, 2539964, 2902816, 5079928, 10159856, 20319712]

約数ペア:

[(1, 20319712), (2, 10159856), (4, 5079928), (7, 2902816), (8, 2539964), (14, 1451408), (16, 1269982), (28, 725704), (32, 634991), (49, 414688), (56, 362852), (98, 207344), (112, 181426), (196, 103672), (224, 90713), (392, 51836), (784, 25918), (1568, 12959)]