20791364307

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13944577}}^1$

素因数の和:13944658

約数の個数: 16

約数和(自身を含む): 32128307712

約数和(自身を除く): 11336943405

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13944577, 41833731, 97612039, 292836117, 990064967, 2970194901, 6930454769, 20791364307]

約数ペア:

[(1, 20791364307), (3, 6930454769), (7, 2970194901), (21, 990064967), (71, 292836117), (213, 97612039), (497, 41833731), (1491, 13944577)]