20343891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5563}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 28843776

約数和(自身を除く): 8499885

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5563, 16689, 127949, 294839, 383847, 884517, 6781297, 20343891]

約数ペア:

[(1, 20343891), (3, 6781297), (23, 884517), (53, 383847), (69, 294839), (159, 127949), (1219, 16689), (3657, 5563)]