20777007

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 28447200

約数和(自身を除く): 7670193

約数列:

[1, 3, 53, 149, 159, 447, 877, 2631, 7897, 23691, 46481, 130673, 139443, 392019, 6925669, 20777007]

約数ペア:

[(1, 20777007), (3, 6925669), (53, 392019), (149, 139443), (159, 130673), (447, 46481), (877, 23691), (2631, 7897)]