20177891321

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{95471}}^1$

素因数の和:95864

約数の個数: 16

約数和(自身を含む): 23356270080

約数和(自身を除く): 3178378759

約数列:

[1, 7, 109, 277, 763, 1939, 30193, 95471, 211351, 668297, 10406339, 26445467, 72844373, 185118269, 2882555903, 20177891321]

約数ペア:

[(1, 20177891321), (7, 2882555903), (109, 185118269), (277, 72844373), (763, 26445467), (1939, 10406339), (30193, 668297), (95471, 211351)]