20911395

素因数分解:

$3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{3011}}^1$

素因数の和:3482

約数の個数: 16

約数和(自身を含む): 33541632

約数和(自身を除く): 12630237

約数列:

[1, 3, 5, 15, 463, 1389, 2315, 3011, 6945, 9033, 15055, 45165, 1394093, 4182279, 6970465, 20911395]

約数ペア:

[(1, 20911395), (3, 6970465), (5, 4182279), (15, 1394093), (463, 45165), (1389, 15055), (2315, 9033), (3011, 6945)]