20346886

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9257}}^1$

素因数の和:9423

約数の個数: 16

約数和(自身を含む): 35106336

約数和(自身を除く): 14759450

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9257, 18514, 64799, 129598, 1453349, 2906698, 10173443, 20346886]

約数ペア:

[(1, 20346886), (2, 10173443), (7, 2906698), (14, 1453349), (157, 129598), (314, 64799), (1099, 18514), (2198, 9257)]