20259638

素因数分解:

$2^1\times 7^4\times {\mathrm{4219}}^1$

素因数の和:4249

約数の個数: 20

約数和(自身を含む): 35460660

約数和(自身を除く): 15201022

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4219, 4802, 8438, 29533, 59066, 206731, 413462, 1447117, 2894234, 10129819, 20259638]

約数ペア:

[(1, 20259638), (2, 10129819), (7, 2894234), (14, 1447117), (49, 413462), (98, 206731), (343, 59066), (686, 29533), (2401, 8438), (4219, 4802)]