20806007

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 23362560

約数和(自身を除く): 2556553

約数列:

[1, 19, 23, 47, 437, 893, 1013, 1081, 19247, 20539, 23299, 47611, 442681, 904609, 1095053, 20806007]

約数ペア:

[(1, 20806007), (19, 1095053), (23, 904609), (47, 442681), (437, 47611), (893, 23299), (1013, 20539), (1081, 19247)]