20801793

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1601}}^1$

素因数の和:1736

約数の個数: 16

約数和(自身を含む): 28605312

約数和(自身を除く): 7803519

約数列:

[1, 3, 61, 71, 183, 213, 1601, 4331, 4803, 12993, 97661, 113671, 292983, 341013, 6933931, 20801793]

約数ペア:

[(1, 20801793), (3, 6933931), (61, 341013), (71, 292983), (183, 113671), (213, 97661), (1601, 12993), (4331, 4803)]