20199041296

素因数分解:

$2^4\times 7^1\times {\mathrm{337}}^1\times {\mathrm{535159}}^1$

素因数の和:535511

約数の個数: 40

約数和(自身を含む): 44859251840

約数和(自身を除く): 24660210544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 337, 674, 1348, 2359, 2696, 4718, 5392, 9436, 18872, 37744, 535159, 1070318, 2140636, 3746113, 4281272, 7492226, 8562544, 14984452, 29968904, 59937808, 180348583, 360697166, 721394332, 1262440081, 1442788664, 2524880162, 2885577328, 5049760324, 10099520648, 20199041296]

約数ペア:

[(1, 20199041296), (2, 10099520648), (4, 5049760324), (7, 2885577328), (8, 2524880162), (14, 1442788664), (16, 1262440081), (28, 721394332), (56, 360697166), (112, 180348583), (337, 59937808), (674, 29968904), (1348, 14984452), (2359, 8562544), (2696, 7492226), (4718, 4281272), (5392, 3746113), (9436, 2140636), (18872, 1070318), (37744, 535159)]