20574226

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8081}}^1$

素因数の和:8169

約数の個数: 16

約数和(自身を含む): 32974560

約数和(自身を除く): 12400334

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8081, 16162, 153539, 307078, 541427, 1082854, 10287113, 20574226]

約数ペア:

[(1, 20574226), (2, 10287113), (19, 1082854), (38, 541427), (67, 307078), (134, 153539), (1273, 16162), (2546, 8081)]