20550723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4051}}^1$

素因数の和:4162

約数の個数: 16

約数和(自身を含む): 29174400

約数和(自身を除く): 8623677

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4051, 5073, 12153, 76969, 230907, 360539, 1081617, 6850241, 20550723]

約数ペア:

[(1, 20550723), (3, 6850241), (19, 1081617), (57, 360539), (89, 230907), (267, 76969), (1691, 12153), (4051, 5073)]