20391434

素因数分解:

$2^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1297}}^1$

素因数の和:2429

約数の個数: 16

約数和(自身を含む): 35014848

約数和(自身を除く): 14623414

約数列:

[1, 2, 7, 14, 1123, 1297, 2246, 2594, 7861, 9079, 15722, 18158, 1456531, 2913062, 10195717, 20391434]

約数ペア:

[(1, 20391434), (2, 10195717), (7, 2913062), (14, 1456531), (1123, 18158), (1297, 15722), (2246, 9079), (2594, 7861)]