20407597

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 24147072

約数和(自身を除く): 3739475

約数列:

[1, 7, 53, 67, 371, 469, 821, 3551, 5747, 24857, 43513, 55007, 304591, 385049, 2915371, 20407597]

約数ペア:

[(1, 20407597), (7, 2915371), (53, 385049), (67, 304591), (371, 55007), (469, 43513), (821, 24857), (3551, 5747)]