20907754

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2287}}^1$

素因数の和:2949

約数の個数: 16

約数和(自身を含む): 35912448

約数和(自身を除く): 15004694

約数列:

[1, 2, 7, 14, 653, 1306, 2287, 4571, 4574, 9142, 16009, 32018, 1493411, 2986822, 10453877, 20907754]

約数ペア:

[(1, 20907754), (2, 10453877), (7, 2986822), (14, 1493411), (653, 32018), (1306, 16009), (2287, 9142), (4571, 4574)]